39976515

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28657}}^1$

素因数の和:28699

約数の個数: 24

約数和(自身を含む): 71530368

約数和(自身を除く): 31553853

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 28657, 85971, 143285, 257913, 429855, 888367, 1289565, 2665101, 4441835, 7995303, 13325505, 39976515]

約数ペア:

[(1, 39976515), (3, 13325505), (5, 7995303), (9, 4441835), (15, 2665101), (31, 1289565), (45, 888367), (93, 429855), (155, 257913), (279, 143285), (465, 85971), (1395, 28657)]