31971261

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{733}}^1$

素因数の和:841

約数の個数: 32

約数和(自身を含む): 51109888

約数和(自身を除く): 19138627

約数列:

[1, 3, 7, 21, 31, 67, 93, 201, 217, 469, 651, 733, 1407, 2077, 2199, 5131, 6231, 14539, 15393, 22723, 43617, 49111, 68169, 147333, 159061, 343777, 477183, 1031331, 1522441, 4567323, 10657087, 31971261]

約数ペア:

[(1, 31971261), (3, 10657087), (7, 4567323), (21, 1522441), (31, 1031331), (67, 477183), (93, 343777), (201, 159061), (217, 147333), (469, 68169), (651, 49111), (733, 43617), (1407, 22723), (2077, 15393), (2199, 14539), (5131, 6231)]