78780951

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1543}}^1$

素因数の和:1644

約数の個数: 32

約数和(自身を含む): 122531840

約数和(自身を除く): 43750889

約数列:

[1, 3, 9, 27, 31, 61, 93, 183, 279, 549, 837, 1543, 1647, 1891, 4629, 5673, 13887, 17019, 41661, 47833, 51057, 94123, 143499, 282369, 430497, 847107, 1291491, 2541321, 2917813, 8753439, 26260317, 78780951]

約数ペア:

[(1, 78780951), (3, 26260317), (9, 8753439), (27, 2917813), (31, 2541321), (61, 1291491), (93, 847107), (183, 430497), (279, 282369), (549, 143499), (837, 94123), (1543, 51057), (1647, 47833), (1891, 41661), (4629, 17019), (5673, 13887)]