331368531

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{7331}}^1$

素因数の和:7427

約数の個数: 32

約数和(自身を含む): 509134080

約数和(自身を除く): 177765549

約数列:

[1, 3, 13, 19, 39, 57, 61, 183, 247, 741, 793, 1159, 2379, 3477, 7331, 15067, 21993, 45201, 95303, 139289, 285909, 417867, 447191, 1341573, 1810757, 5432271, 5813483, 8496629, 17440449, 25489887, 110456177, 331368531]

約数ペア:

[(1, 331368531), (3, 110456177), (13, 25489887), (19, 17440449), (39, 8496629), (57, 5813483), (61, 5432271), (183, 1810757), (247, 1341573), (741, 447191), (793, 417867), (1159, 285909), (2379, 139289), (3477, 95303), (7331, 45201), (15067, 21993)]