31313919

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6037}}^1$

素因数の和:6079

約数の個数: 32

約数和(自身を含む): 54100480

約数和(自身を除く): 22786561

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 6037, 18111, 42259, 78481, 114703, 126777, 235443, 344109, 549367, 802921, 1491139, 1648101, 2408763, 4473417, 10437973, 31313919]

約数ペア:

[(1, 31313919), (3, 10437973), (7, 4473417), (13, 2408763), (19, 1648101), (21, 1491139), (39, 802921), (57, 549367), (91, 344109), (133, 235443), (247, 126777), (273, 114703), (399, 78481), (741, 42259), (1729, 18111), (5187, 6037)]