1657996473

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1112003}}^1$

素因数の和:1112084

約数の個数: 16

約数和(自身を含む): 2562057216

約数和(自身を除く): 904060743

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 1112003, 3336009, 7784021, 23352063, 78952213, 236856639, 552665491, 1657996473]

約数ペア:

[(1, 1657996473), (3, 552665491), (7, 236856639), (21, 78952213), (71, 23352063), (213, 7784021), (497, 3336009), (1491, 1112003)]