81381348

素因数分解:

$2^2\times 3^4\times {\mathrm{251177}}^1$

素因数の和:251193

約数の個数: 30

約数和(自身を含む): 212747766

約数和(自身を除く): 131366418

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 251177, 502354, 753531, 1004708, 1507062, 2260593, 3014124, 4521186, 6781779, 9042372, 13563558, 20345337, 27127116, 40690674, 81381348]

約数ペア:

[(1, 81381348), (2, 40690674), (3, 27127116), (4, 20345337), (6, 13563558), (9, 9042372), (12, 6781779), (18, 4521186), (27, 3014124), (36, 2260593), (54, 1507062), (81, 1004708), (108, 753531), (162, 502354), (324, 251177)]