51381213

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 75841920

約数和(自身を除く): 24460707

約数列:

[1, 3, 13, 39, 89, 113, 131, 267, 339, 393, 1157, 1469, 1703, 3471, 4407, 5109, 10057, 11659, 14803, 30171, 34977, 44409, 130741, 151567, 192439, 392223, 454701, 577317, 1317467, 3952401, 17127071, 51381213]

約数ペア:

[(1, 51381213), (3, 17127071), (13, 3952401), (39, 1317467), (89, 577317), (113, 454701), (131, 392223), (267, 192439), (339, 151567), (393, 130741), (1157, 44409), (1469, 34977), (1703, 30171), (3471, 14803), (4407, 11659), (5109, 10057)]