81176625

素因数分解:

$3^2\times 5^3\times {\mathrm{59}}^1\times {\mathrm{1223}}^1$

素因数の和:1303

約数の個数: 48

約数和(自身を含む): 148936320

約数和(自身を除く): 67759695

約数列:

[1, 3, 5, 9, 15, 25, 45, 59, 75, 125, 177, 225, 295, 375, 531, 885, 1125, 1223, 1475, 2655, 3669, 4425, 6115, 7375, 11007, 13275, 18345, 22125, 30575, 55035, 66375, 72157, 91725, 152875, 216471, 275175, 360785, 458625, 649413, 1082355, 1375875, 1803925, 3247065, 5411775, 9019625, 16235325, 27058875, 81176625]

約数ペア:

[(1, 81176625), (3, 27058875), (5, 16235325), (9, 9019625), (15, 5411775), (25, 3247065), (45, 1803925), (59, 1375875), (75, 1082355), (125, 649413), (177, 458625), (225, 360785), (295, 275175), (375, 216471), (531, 152875), (885, 91725), (1125, 72157), (1223, 66375), (1475, 55035), (2655, 30575), (3669, 22125), (4425, 18345), (6115, 13275), (7375, 11007)]