20131331145

素因数分解:

$3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1291}}^1\times {\mathrm{6977}}^1$

素因数の和:8425

約数の個数: 32

約数和(自身を含む): 32456073600

約数和(自身を除く): 12324742455

約数列:

[1, 3, 5, 15, 149, 447, 745, 1291, 2235, 3873, 6455, 6977, 19365, 20931, 34885, 104655, 192359, 577077, 961795, 1039573, 2885385, 3118719, 5197865, 9007307, 15593595, 27021921, 45036535, 135109605, 1342088743, 4026266229, 6710443715, 20131331145]

約数ペア:

[(1, 20131331145), (3, 6710443715), (5, 4026266229), (15, 1342088743), (149, 135109605), (447, 45036535), (745, 27021921), (1291, 15593595), (2235, 9007307), (3873, 5197865), (6455, 3118719), (6977, 2885385), (19365, 1039573), (20931, 961795), (34885, 577077), (104655, 192359)]