78781725

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 155719200

約数和(自身を除く): 76937475

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 139, 165, 225, 229, 275, 417, 495, 687, 695, 825, 1145, 1251, 1529, 2061, 2085, 2475, 2519, 3435, 3475, 4587, 5725, 6255, 7557, 7645, 10305, 10425, 12595, 13761, 17175, 22671, 22935, 31275, 31831, 37785, 38225, 51525, 62975, 68805, 95493, 113355, 114675, 159155, 188925, 286479, 344025, 350141, 477465, 566775, 795775, 1050423, 1432395, 1750705, 2387325, 3151269, 5252115, 7161975, 8753525, 15756345, 26260575, 78781725]

約数ペア:

[(1, 78781725), (3, 26260575), (5, 15756345), (9, 8753525), (11, 7161975), (15, 5252115), (25, 3151269), (33, 2387325), (45, 1750705), (55, 1432395), (75, 1050423), (99, 795775), (139, 566775), (165, 477465), (225, 350141), (229, 344025), (275, 286479), (417, 188925), (495, 159155), (687, 114675), (695, 113355), (825, 95493), (1145, 68805), (1251, 62975), (1529, 51525), (2061, 38225), (2085, 37785), (2475, 31831), (2519, 31275), (3435, 22935), (3475, 22671), (4587, 17175), (5725, 13761), (6255, 12595), (7557, 10425), (7645, 10305)]