281569379

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{12527}}^1$

素因数の和:12579

約数の個数: 24

約数和(自身を含む): 366819840

約数和(自身を除く): 85250461

約数列:

[1, 7, 13, 19, 91, 133, 169, 247, 1183, 1729, 3211, 12527, 22477, 87689, 162851, 238013, 1139957, 1666091, 2117063, 3094169, 14819441, 21659183, 40224197, 281569379]

約数ペア:

[(1, 281569379), (7, 40224197), (13, 21659183), (19, 14819441), (91, 3094169), (133, 2117063), (169, 1666091), (247, 1139957), (1183, 238013), (1729, 162851), (3211, 87689), (12527, 22477)]