12491973

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:266

約数の個数: 36

約数和(自身を含む): 20097792

約数和(自身を除く): 7605819

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 169, 191, 387, 507, 559, 573, 1521, 1677, 1719, 2483, 5031, 7267, 7449, 8213, 21801, 22347, 24639, 32279, 65403, 73917, 96837, 106769, 290511, 320307, 960921, 1387997, 4163991, 12491973]

約数ペア:

[(1, 12491973), (3, 4163991), (9, 1387997), (13, 960921), (39, 320307), (43, 290511), (117, 106769), (129, 96837), (169, 73917), (191, 65403), (387, 32279), (507, 24639), (559, 22347), (573, 21801), (1521, 8213), (1677, 7449), (1719, 7267), (2483, 5031)]