251379963

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{152629}}^1$

素因数の和:152699

約数の個数: 16

約数和(自身を含む): 378522400

約数和(自身を除く): 127142437

約数列:

[1, 3, 9, 27, 61, 183, 549, 1647, 152629, 457887, 1373661, 4120983, 9310369, 27931107, 83793321, 251379963]

約数ペア:

[(1, 251379963), (3, 83793321), (9, 27931107), (27, 9310369), (61, 4120983), (183, 1373661), (549, 457887), (1647, 152629)]