31307559

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 45239040

約数和(自身を除く): 13931481

約数列:

[1, 3, 29, 41, 67, 87, 123, 131, 201, 393, 1189, 1943, 2747, 3567, 3799, 5371, 5829, 8241, 8777, 11397, 16113, 26331, 79663, 155759, 238989, 254533, 359857, 467277, 763599, 1079571, 10435853, 31307559]

約数ペア:

[(1, 31307559), (3, 10435853), (29, 1079571), (41, 763599), (67, 467277), (87, 359857), (123, 254533), (131, 238989), (201, 155759), (393, 79663), (1189, 26331), (1943, 16113), (2747, 11397), (3567, 8777), (3799, 8241), (5371, 5829)]