51621921

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2411}}^1$

素因数の和:2494

約数の個数: 32

約数和(自身を含む): 83744640

約数和(自身を除く): 32122719

約数列:

[1, 3, 9, 13, 27, 39, 61, 117, 183, 351, 549, 793, 1647, 2379, 2411, 7137, 7233, 21411, 21699, 31343, 65097, 94029, 147071, 282087, 441213, 846261, 1323639, 1911923, 3970917, 5735769, 17207307, 51621921]

約数ペア:

[(1, 51621921), (3, 17207307), (9, 5735769), (13, 3970917), (27, 1911923), (39, 1323639), (61, 846261), (117, 441213), (183, 282087), (351, 147071), (549, 94029), (793, 65097), (1647, 31343), (2379, 21699), (2411, 21411), (7137, 7233)]