28668825

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{2711}}^1$

素因数の和:2774

約数の個数: 36

約数和(自身を含む): 52460928

約数和(自身を除く): 23792103

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 75, 141, 225, 235, 423, 705, 1175, 2115, 2711, 3525, 8133, 10575, 13555, 24399, 40665, 67775, 121995, 127417, 203325, 382251, 609975, 637085, 1146753, 1911255, 3185425, 5733765, 9556275, 28668825]

約数ペア:

[(1, 28668825), (3, 9556275), (5, 5733765), (9, 3185425), (15, 1911255), (25, 1146753), (45, 637085), (47, 609975), (75, 382251), (141, 203325), (225, 127417), (235, 121995), (423, 67775), (705, 40665), (1175, 24399), (2115, 13555), (2711, 10575), (3525, 8133)]