15561390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{39901}}^1$

素因数の和:39924

約数の個数: 32

約数和(自身を含む): 40221216

約数和(自身を除く): 24659826

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 39901, 79802, 119703, 199505, 239406, 399010, 518713, 598515, 1037426, 1197030, 1556139, 2593565, 3112278, 5187130, 7780695, 15561390]

約数ペア:

[(1, 15561390), (2, 7780695), (3, 5187130), (5, 3112278), (6, 2593565), (10, 1556139), (13, 1197030), (15, 1037426), (26, 598515), (30, 518713), (39, 399010), (65, 239406), (78, 199505), (130, 119703), (195, 79802), (390, 39901)]