656397

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:190

約数の個数: 32

約数和(自身を含む): 1167360

約数和(自身を除く): 510963

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 151, 161, 189, 207, 453, 483, 621, 1057, 1359, 1449, 3171, 3473, 4077, 4347, 9513, 10419, 24311, 28539, 31257, 72933, 93771, 218799, 656397]

約数ペア:

[(1, 656397), (3, 218799), (7, 93771), (9, 72933), (21, 31257), (23, 28539), (27, 24311), (63, 10419), (69, 9513), (151, 4347), (161, 4077), (189, 3473), (207, 3171), (453, 1449), (483, 1359), (621, 1057)]