20170931

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1307}}^1$

素因数の和:1402

約数の個数: 16

約数和(自身を含む): 23355648

約数和(自身を除く): 3184717

約数列:

[1, 11, 23, 61, 253, 671, 1307, 1403, 14377, 15433, 30061, 79727, 330671, 876997, 1833721, 20170931]

約数ペア:

[(1, 20170931), (11, 1833721), (23, 876997), (61, 330671), (253, 79727), (671, 30061), (1307, 15433), (1403, 14377)]