256525983

素因数分解:

$3^2\times 7^1\times {\mathrm{1039}}^1\times {\mathrm{3919}}^1$

素因数の和:4971

約数の個数: 24

約数和(自身を含む): 423987200

約数和(自身を除く): 167461217

約数列:

[1, 3, 7, 9, 21, 63, 1039, 3117, 3919, 7273, 9351, 11757, 21819, 27433, 35271, 65457, 82299, 246897, 4071841, 12215523, 28502887, 36646569, 85508661, 256525983]

約数ペア:

[(1, 256525983), (3, 85508661), (7, 36646569), (9, 28502887), (21, 12215523), (63, 4071841), (1039, 246897), (3117, 82299), (3919, 65457), (7273, 35271), (9351, 27433), (11757, 21819)]