161421507

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{2833}}^1$

素因数の和:3339

約数の個数: 24

約数和(自身を含む): 251704544

約数和(自身を除く): 90283037

約数列:

[1, 3, 9, 13, 39, 117, 487, 1461, 2833, 4383, 6331, 8499, 18993, 25497, 36829, 56979, 110487, 331461, 1379671, 4139013, 12417039, 17935723, 53807169, 161421507]

約数ペア:

[(1, 161421507), (3, 53807169), (9, 17935723), (13, 12417039), (39, 4139013), (117, 1379671), (487, 331461), (1461, 110487), (2833, 56979), (4383, 36829), (6331, 25497), (8499, 18993)]