309830079

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{1637}}^1$

素因数の和:1887

約数の個数: 32

約数和(自身を含む): 466712064

約数和(自身を除く): 156881985

約数列:

[1, 3, 13, 23, 39, 69, 211, 299, 633, 897, 1637, 2743, 4853, 4911, 8229, 14559, 21281, 37651, 63089, 63843, 112953, 189267, 345407, 489463, 1036221, 1468389, 4490291, 7944361, 13470873, 23833083, 103276693, 309830079]

約数ペア:

[(1, 309830079), (3, 103276693), (13, 23833083), (23, 13470873), (39, 7944361), (69, 4490291), (211, 1468389), (299, 1036221), (633, 489463), (897, 345407), (1637, 189267), (2743, 112953), (4853, 63843), (4911, 63089), (8229, 37651), (14559, 21281)]