31291881

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{1031}}^1$

素因数の和:1252

約数の個数: 16

約数和(自身を含む): 42667008

約数和(自身を除く): 11375127

約数列:

[1, 3, 67, 151, 201, 453, 1031, 3093, 10117, 30351, 69077, 155681, 207231, 467043, 10430627, 31291881]

約数ペア:

[(1, 31291881), (3, 10430627), (67, 467043), (151, 207231), (201, 155681), (453, 69077), (1031, 30351), (3093, 10117)]