388983375

素因数分解:

$3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2$

素因数の和:135

約数の個数: 144

約数和(自身を含む): 829224864

約数和(自身を除く): 440241489

約数列:

[1, 3, 5, 9, 11, 15, 17, 25, 33, 43, 45, 51, 55, 75, 85, 99, 125, 129, 153, 165, 187, 215, 225, 255, 275, 375, 387, 425, 473, 495, 561, 645, 731, 765, 825, 935, 1075, 1125, 1275, 1375, 1419, 1683, 1849, 1935, 2125, 2193, 2365, 2475, 2805, 3225, 3655, 3825, 4125, 4257, 4675, 5375, 5547, 6375, 6579, 7095, 8041, 8415, 9245, 9675, 10965, 11825, 12375, 14025, 16125, 16641, 18275, 19125, 20339, 21285, 23375, 24123, 27735, 31433, 32895, 35475, 40205, 42075, 46225, 48375, 54825, 59125, 61017, 70125, 72369, 83205, 91375, 94299, 101695, 106425, 120615, 138675, 157165, 164475, 177375, 183051, 201025, 210375, 231125, 274125, 282897, 305085, 345763, 361845, 416025, 471495, 508475, 532125, 603075, 693375, 785825, 822375, 915255, 1005125, 1037289, 1414485, 1525425, 1728815, 1809225, 2080125, 2357475, 2542375, 3015375, 3111867, 3929125, 4576275, 5186445, 7072425, 7627125, 8644075, 9046125, 11787375, 15559335, 22881375, 25932225, 35362125, 43220375, 77796675, 129661125, 388983375]

約数ペア:

[(1, 388983375), (3, 129661125), (5, 77796675), (9, 43220375), (11, 35362125), (15, 25932225), (17, 22881375), (25, 15559335), (33, 11787375), (43, 9046125), (45, 8644075), (51, 7627125), (55, 7072425), (75, 5186445), (85, 4576275), (99, 3929125), (125, 3111867), (129, 3015375), (153, 2542375), (165, 2357475), (187, 2080125), (215, 1809225), (225, 1728815), (255, 1525425), (275, 1414485), (375, 1037289), (387, 1005125), (425, 915255), (473, 822375), (495, 785825), (561, 693375), (645, 603075), (731, 532125), (765, 508475), (825, 471495), (935, 416025), (1075, 361845), (1125, 345763), (1275, 305085), (1375, 282897), (1419, 274125), (1683, 231125), (1849, 210375), (1935, 201025), (2125, 183051), (2193, 177375), (2365, 164475), (2475, 157165), (2805, 138675), (3225, 120615), (3655, 106425), (3825, 101695), (4125, 94299), (4257, 91375), (4675, 83205), (5375, 72369), (5547, 70125), (6375, 61017), (6579, 59125), (7095, 54825), (8041, 48375), (8415, 46225), (9245, 42075), (9675, 40205), (10965, 35475), (11825, 32895), (12375, 31433), (14025, 27735), (16125, 24123), (16641, 23375), (18275, 21285), (19125, 20339)]