31552425

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 61194744

約数和(自身を除く): 29642319

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 73, 75, 85, 113, 153, 219, 225, 255, 339, 365, 425, 565, 657, 765, 1017, 1095, 1241, 1275, 1695, 1825, 1921, 2825, 3285, 3723, 3825, 5085, 5475, 5763, 6205, 8249, 8475, 9605, 11169, 16425, 17289, 18615, 24747, 25425, 28815, 31025, 41245, 48025, 55845, 74241, 86445, 93075, 123735, 140233, 144075, 206225, 279225, 371205, 420699, 432225, 618675, 701165, 1262097, 1856025, 2103495, 3505825, 6310485, 10517475, 31552425]

約数ペア:

[(1, 31552425), (3, 10517475), (5, 6310485), (9, 3505825), (15, 2103495), (17, 1856025), (25, 1262097), (45, 701165), (51, 618675), (73, 432225), (75, 420699), (85, 371205), (113, 279225), (153, 206225), (219, 144075), (225, 140233), (255, 123735), (339, 93075), (365, 86445), (425, 74241), (565, 55845), (657, 48025), (765, 41245), (1017, 31025), (1095, 28815), (1241, 25425), (1275, 24747), (1695, 18615), (1825, 17289), (1921, 16425), (2825, 11169), (3285, 9605), (3723, 8475), (3825, 8249), (5085, 6205), (5475, 5763)]