64674519

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{983}}^1$

素因数の和:1247

約数の個数: 32

約数和(自身を含む): 106681344

約数和(自身を除く): 42006825

約数列:

[1, 3, 7, 13, 21, 39, 91, 241, 273, 723, 983, 1687, 2949, 3133, 5061, 6881, 9399, 12779, 20643, 21931, 38337, 65793, 89453, 236903, 268359, 710709, 1658321, 3079739, 4974963, 9239217, 21558173, 64674519]

約数ペア:

[(1, 64674519), (3, 21558173), (7, 9239217), (13, 4974963), (21, 3079739), (39, 1658321), (91, 710709), (241, 268359), (273, 236903), (723, 89453), (983, 65793), (1687, 38337), (2949, 21931), (3133, 20643), (5061, 12779), (6881, 9399)]