81595575

素因数分解:

$3^2\times 5^2\times {\mathrm{193}}^1\times {\mathrm{1879}}^1$

素因数の和:2088

約数の個数: 36

約数和(自身を含む): 146982160

約数和(自身を除く): 65386585

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 193, 225, 579, 965, 1737, 1879, 2895, 4825, 5637, 8685, 9395, 14475, 16911, 28185, 43425, 46975, 84555, 140925, 362647, 422775, 1087941, 1813235, 3263823, 5439705, 9066175, 16319115, 27198525, 81595575]

約数ペア:

[(1, 81595575), (3, 27198525), (5, 16319115), (9, 9066175), (15, 5439705), (25, 3263823), (45, 1813235), (75, 1087941), (193, 422775), (225, 362647), (579, 140925), (965, 84555), (1737, 46975), (1879, 43425), (2895, 28185), (4825, 16911), (5637, 14475), (8685, 9395)]