128589075

素因数分解:

$3^2\times 5^2\times {\mathrm{353}}^1\times {\mathrm{1619}}^1$

素因数の和:1988

約数の個数: 36

約数和(自身を含む): 231112440

約数和(自身を除く): 102523365

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 353, 1059, 1619, 1765, 3177, 4857, 5295, 8095, 8825, 14571, 15885, 24285, 26475, 40475, 72855, 79425, 121425, 364275, 571507, 1714521, 2857535, 5143563, 8572605, 14287675, 25717815, 42863025, 128589075]

約数ペア:

[(1, 128589075), (3, 42863025), (5, 25717815), (9, 14287675), (15, 8572605), (25, 5143563), (45, 2857535), (75, 1714521), (225, 571507), (353, 364275), (1059, 121425), (1619, 79425), (1765, 72855), (3177, 40475), (4857, 26475), (5295, 24285), (8095, 15885), (8825, 14571)]