15721140861

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{296519}}^1$

素因数の和:296705

約数の個数: 24

約数和(自身を含む): 23406102720

約数和(自身を除く): 7684961859

約数列:

[1, 3, 9, 43, 129, 137, 387, 411, 1233, 5891, 17673, 53019, 296519, 889557, 2668671, 12750317, 38250951, 40623103, 114752853, 121869309, 365607927, 1746793429, 5240380287, 15721140861]

約数ペア:

[(1, 15721140861), (3, 5240380287), (9, 1746793429), (43, 365607927), (129, 121869309), (137, 114752853), (387, 40623103), (411, 38250951), (1233, 12750317), (5891, 2668671), (17673, 889557), (53019, 296519)]