331340919

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{2179}}^1$

素因数の和:2759

約数の個数: 32

約数和(自身を含む): 544965120

約数和(自身を除く): 213624201

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 557, 1671, 2179, 3899, 6537, 7241, 11697, 15253, 21723, 28327, 45759, 50687, 84981, 152061, 198289, 594867, 1213703, 3641109, 8495921, 15778139, 25487763, 47334417, 110446973, 331340919]

約数ペア:

[(1, 331340919), (3, 110446973), (7, 47334417), (13, 25487763), (21, 15778139), (39, 8495921), (91, 3641109), (273, 1213703), (557, 594867), (1671, 198289), (2179, 152061), (3899, 84981), (6537, 50687), (7241, 45759), (11697, 28327), (15253, 21723)]