990147459

素因数分解:

$3^1\times 7^2\times {\mathrm{487}}^1\times {\mathrm{13831}}^1$

素因数の和:14335

約数の個数: 24

約数和(自身を含む): 1539003648

約数和(自身を除く): 548856189

約数列:

[1, 3, 7, 21, 49, 147, 487, 1461, 3409, 10227, 13831, 23863, 41493, 71589, 96817, 290451, 677719, 2033157, 6735697, 20207091, 47149879, 141449637, 330049153, 990147459]

約数ペア:

[(1, 990147459), (3, 330049153), (7, 141449637), (21, 47149879), (49, 20207091), (147, 6735697), (487, 2033157), (1461, 677719), (3409, 290451), (10227, 96817), (13831, 71589), (23863, 41493)]