155105775

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2161}}^1$

素因数の和:2217

約数の個数: 72

約数和(自身を含む): 313662960

約数和(自身を除く): 158557185

約数列:

[1, 3, 5, 9, 11, 15, 25, 29, 33, 45, 55, 75, 87, 99, 145, 165, 225, 261, 275, 319, 435, 495, 725, 825, 957, 1305, 1595, 2161, 2175, 2475, 2871, 4785, 6483, 6525, 7975, 10805, 14355, 19449, 23771, 23925, 32415, 54025, 62669, 71313, 71775, 97245, 118855, 162075, 188007, 213939, 313345, 356565, 486225, 564021, 594275, 689359, 940035, 1069695, 1566725, 1782825, 2068077, 2820105, 3446795, 4700175, 5348475, 6204231, 10340385, 14100525, 17233975, 31021155, 51701925, 155105775]

約数ペア:

[(1, 155105775), (3, 51701925), (5, 31021155), (9, 17233975), (11, 14100525), (15, 10340385), (25, 6204231), (29, 5348475), (33, 4700175), (45, 3446795), (55, 2820105), (75, 2068077), (87, 1782825), (99, 1566725), (145, 1069695), (165, 940035), (225, 689359), (261, 594275), (275, 564021), (319, 486225), (435, 356565), (495, 313345), (725, 213939), (825, 188007), (957, 162075), (1305, 118855), (1595, 97245), (2161, 71775), (2175, 71313), (2475, 62669), (2871, 54025), (4785, 32415), (6483, 23925), (6525, 23771), (7975, 19449), (10805, 14355)]