87663771

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 141365952

約数和(自身を除く): 53702181

約数列:

[1, 3, 9, 13, 39, 61, 71, 117, 173, 183, 213, 519, 549, 639, 793, 923, 1557, 2249, 2379, 2769, 4331, 6747, 7137, 8307, 10553, 12283, 12993, 20241, 31659, 36849, 38979, 56303, 94977, 110547, 137189, 159679, 168909, 411567, 479037, 506727, 749263, 1234701, 1437111, 2247789, 6743367, 9740419, 29221257, 87663771]

約数ペア:

[(1, 87663771), (3, 29221257), (9, 9740419), (13, 6743367), (39, 2247789), (61, 1437111), (71, 1234701), (117, 749263), (173, 506727), (183, 479037), (213, 411567), (519, 168909), (549, 159679), (639, 137189), (793, 110547), (923, 94977), (1557, 56303), (2249, 38979), (2379, 36849), (2769, 31659), (4331, 20241), (6747, 12993), (7137, 12283), (8307, 10553)]