87131317

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{9871}}^1$

素因数の和:9988

約数の個数: 16

約数和(自身を含む): 108355072

約数和(自身を除く): 21223755

約数列:

[1, 7, 13, 91, 97, 679, 1261, 8827, 9871, 69097, 128323, 898261, 957487, 6702409, 12447331, 87131317]

約数ペア:

[(1, 87131317), (7, 12447331), (13, 6702409), (91, 957487), (97, 898261), (679, 128323), (1261, 69097), (8827, 9871)]