7887399

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 11665152

約数和(自身を除く): 3777753

約数列:

[1, 3, 13, 39, 47, 141, 169, 331, 507, 611, 993, 1833, 4303, 7943, 12909, 15557, 23829, 46671, 55939, 167817, 202241, 606723, 2629133, 7887399]

約数ペア:

[(1, 7887399), (3, 2629133), (13, 606723), (39, 202241), (47, 167817), (141, 55939), (169, 46671), (331, 23829), (507, 15557), (611, 12909), (993, 7943), (1833, 4303)]