31317979

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{4027}}^1$

素因数の和:4146

約数の個数: 16

約数和(自身を含む): 39442176

約数和(自身を除く): 8124197

約数列:

[1, 7, 11, 77, 101, 707, 1111, 4027, 7777, 28189, 44297, 310079, 406727, 2847089, 4473997, 31317979]

約数ペア:

[(1, 31317979), (7, 4473997), (11, 2847089), (77, 406727), (101, 310079), (707, 44297), (1111, 28189), (4027, 7777)]