664651017

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{42467}}^1$

素因数の和:42557

約数の個数: 24

約数和(自身を含む): 1007001216

約数和(自身を除く): 342350199

約数列:

[1, 3, 9, 37, 47, 111, 141, 333, 423, 1739, 5217, 15651, 42467, 127401, 382203, 1571279, 1995949, 4713837, 5987847, 14141511, 17963541, 73850113, 221550339, 664651017]

約数ペア:

[(1, 664651017), (3, 221550339), (9, 73850113), (37, 17963541), (47, 14141511), (111, 5987847), (141, 4713837), (333, 1995949), (423, 1571279), (1739, 382203), (5217, 127401), (15651, 42467)]