855309

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{241}}^1$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 1417152

約数和(自身を除く): 561843

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 241, 273, 507, 723, 1183, 1687, 3133, 3549, 5061, 9399, 21931, 40729, 65793, 122187, 285103, 855309]

約数ペア:

[(1, 855309), (3, 285103), (7, 122187), (13, 65793), (21, 40729), (39, 21931), (91, 9399), (169, 5061), (241, 3549), (273, 3133), (507, 1687), (723, 1183)]