920322489

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1\times {\mathrm{431}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 1315699200

約数和(自身を除く): 395376711

約数列:

[1, 3, 17, 51, 149, 281, 431, 447, 843, 1293, 2533, 4777, 7327, 7599, 14331, 21981, 41869, 64219, 121111, 125607, 192657, 363333, 711773, 1091723, 2058887, 2135319, 3275169, 6176661, 18045539, 54136617, 306774163, 920322489]

約数ペア:

[(1, 920322489), (3, 306774163), (17, 54136617), (51, 18045539), (149, 6176661), (281, 3275169), (431, 2135319), (447, 2058887), (843, 1091723), (1293, 711773), (2533, 363333), (4777, 192657), (7327, 125607), (7599, 121111), (14331, 64219), (21981, 41869)]