201209985

素因数分解:

$3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{43411}}^1$

素因数の和:43525

約数の個数: 24

約数和(自身を含む): 352158144

約数和(自身を除く): 150948159

約数列:

[1, 3, 5, 9, 15, 45, 103, 309, 515, 927, 1545, 4635, 43411, 130233, 217055, 390699, 651165, 1953495, 4471333, 13413999, 22356665, 40241997, 67069995, 201209985]

約数ペア:

[(1, 201209985), (3, 67069995), (5, 40241997), (9, 22356665), (15, 13413999), (45, 4471333), (103, 1953495), (309, 651165), (515, 390699), (927, 217055), (1545, 130233), (4635, 43411)]