642568407

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{151157}}^1$

素因数の和:151282

約数の個数: 16

約数和(自身を含む): 931133280

約数和(自身を除く): 288564873

約数列:

[1, 3, 13, 39, 109, 327, 1417, 4251, 151157, 453471, 1965041, 5895123, 16476113, 49428339, 214189469, 642568407]

約数ペア:

[(1, 642568407), (3, 214189469), (13, 49428339), (39, 16476113), (109, 5895123), (327, 1965041), (1417, 453471), (4251, 151157)]