81900885

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{3571}}^1$

素因数の和:3729

約数の個数: 32

約数和(自身を含む): 144023040

約数和(自身を除く): 62122155

約数列:

[1, 3, 5, 11, 15, 33, 55, 139, 165, 417, 695, 1529, 2085, 3571, 4587, 7645, 10713, 17855, 22935, 39281, 53565, 117843, 196405, 496369, 589215, 1489107, 2481845, 5460059, 7445535, 16380177, 27300295, 81900885]

約数ペア:

[(1, 81900885), (3, 27300295), (5, 16380177), (11, 7445535), (15, 5460059), (33, 2481845), (55, 1489107), (139, 589215), (165, 496369), (417, 196405), (695, 117843), (1529, 53565), (2085, 39281), (3571, 22935), (4587, 17855), (7645, 10713)]