31459953

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2131}}^1$

素因数の和:2197

約数の個数: 32

約数和(自身を含む): 51850240

約数和(自身を除く): 20390287

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 2109, 2131, 4921, 6393, 14763, 14917, 40489, 44751, 78847, 121467, 236541, 283423, 551929, 850269, 1498093, 1655787, 4494279, 10486651, 31459953]

約数ペア:

[(1, 31459953), (3, 10486651), (7, 4494279), (19, 1655787), (21, 1498093), (37, 850269), (57, 551929), (111, 283423), (133, 236541), (259, 121467), (399, 78847), (703, 44751), (777, 40489), (2109, 14917), (2131, 14763), (4921, 6393)]