664683747

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2434739}}^1$

素因数の和:2434762

約数の個数: 16

約数和(自身を含む): 1090763520

約数和(自身を除く): 426079773

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 2434739, 7304217, 17043173, 31651607, 51129519, 94954821, 221561249, 664683747]

約数ペア:

[(1, 664683747), (3, 221561249), (7, 94954821), (13, 51129519), (21, 31651607), (39, 17043173), (91, 7304217), (273, 2434739)]