28783125

素因数分解:

$3^2\times 5^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:93

約数の個数: 120

約数和(自身を含む): 64329408

約数和(自身を除く): 35546283

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 35, 43, 45, 51, 63, 75, 85, 105, 119, 125, 129, 153, 175, 215, 225, 255, 301, 315, 357, 375, 387, 425, 525, 595, 625, 645, 731, 765, 875, 903, 1071, 1075, 1125, 1275, 1505, 1575, 1785, 1875, 1935, 2125, 2193, 2625, 2709, 2975, 3225, 3655, 3825, 4375, 4515, 5117, 5355, 5375, 5625, 6375, 6579, 7525, 7875, 8925, 9675, 10625, 10965, 13125, 13545, 14875, 15351, 16125, 18275, 19125, 22575, 25585, 26775, 26875, 31875, 32895, 37625, 39375, 44625, 46053, 48375, 54825, 67725, 74375, 76755, 80625, 91375, 95625, 112875, 127925, 133875, 164475, 188125, 223125, 230265, 241875, 274125, 338625, 383775, 456875, 564375, 639625, 669375, 822375, 1151325, 1370625, 1693125, 1918875, 3198125, 4111875, 5756625, 9594375, 28783125]

約数ペア:

[(1, 28783125), (3, 9594375), (5, 5756625), (7, 4111875), (9, 3198125), (15, 1918875), (17, 1693125), (21, 1370625), (25, 1151325), (35, 822375), (43, 669375), (45, 639625), (51, 564375), (63, 456875), (75, 383775), (85, 338625), (105, 274125), (119, 241875), (125, 230265), (129, 223125), (153, 188125), (175, 164475), (215, 133875), (225, 127925), (255, 112875), (301, 95625), (315, 91375), (357, 80625), (375, 76755), (387, 74375), (425, 67725), (525, 54825), (595, 48375), (625, 46053), (645, 44625), (731, 39375), (765, 37625), (875, 32895), (903, 31875), (1071, 26875), (1075, 26775), (1125, 25585), (1275, 22575), (1505, 19125), (1575, 18275), (1785, 16125), (1875, 15351), (1935, 14875), (2125, 13545), (2193, 13125), (2625, 10965), (2709, 10625), (2975, 9675), (3225, 8925), (3655, 7875), (3825, 7525), (4375, 6579), (4515, 6375), (5117, 5625), (5355, 5375)]