647894793

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{311}}^1\times {\mathrm{587}}^1$

素因数の和:934

約数の個数: 48

約数和(自身を含む): 1074318336

約数和(自身を除く): 426423543

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 311, 507, 587, 933, 1183, 1761, 2177, 3549, 4043, 4109, 6531, 7631, 12129, 12327, 22893, 28301, 52559, 53417, 84903, 99203, 157677, 160251, 182557, 297609, 367913, 547671, 694421, 1103739, 1277899, 2083263, 2373241, 3833697, 7119723, 16612687, 30852133, 49838061, 92556399, 215964931, 647894793]

約数ペア:

[(1, 647894793), (3, 215964931), (7, 92556399), (13, 49838061), (21, 30852133), (39, 16612687), (91, 7119723), (169, 3833697), (273, 2373241), (311, 2083263), (507, 1277899), (587, 1103739), (933, 694421), (1183, 547671), (1761, 367913), (2177, 297609), (3549, 182557), (4043, 160251), (4109, 157677), (6531, 99203), (7631, 84903), (12129, 53417), (12327, 52559), (22893, 28301)]