318207981

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{40193}}^1$

素因数の和:40245

約数の個数: 32

約数和(自身を含む): 540207360

約数和(自身を除く): 221999379

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2639, 7917, 40193, 120579, 281351, 522509, 844053, 1165597, 1567527, 3496791, 3657563, 8159179, 10972689, 15152761, 24477537, 45458283, 106069327, 318207981]

約数ペア:

[(1, 318207981), (3, 106069327), (7, 45458283), (13, 24477537), (21, 15152761), (29, 10972689), (39, 8159179), (87, 3657563), (91, 3496791), (203, 1567527), (273, 1165597), (377, 844053), (609, 522509), (1131, 281351), (2639, 120579), (7917, 40193)]