9771515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 13789440

約数和(自身を除く): 4017925

約数列:

[1, 5, 13, 17, 37, 65, 85, 185, 221, 239, 481, 629, 1105, 1195, 2405, 3107, 3145, 4063, 8177, 8843, 15535, 20315, 40885, 44215, 52819, 114959, 150331, 264095, 574795, 751655, 1954303, 9771515]

約数ペア:

[(1, 9771515), (5, 1954303), (13, 751655), (17, 574795), (37, 264095), (65, 150331), (85, 114959), (185, 52819), (221, 44215), (239, 40885), (481, 20315), (629, 15535), (1105, 8843), (1195, 8177), (2405, 4063), (3107, 3145)]