61681581

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3083}}^1$

素因数の和:3127

約数の個数: 40

約数和(自身を含む): 104485920

約数和(自身を除く): 42804339

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 247, 351, 513, 741, 1053, 1539, 2223, 3083, 6669, 9249, 20007, 27747, 40079, 58577, 83241, 120237, 175731, 249723, 360711, 527193, 761501, 1082133, 1581579, 2284503, 3246399, 4744737, 6853509, 20560527, 61681581]

約数ペア:

[(1, 61681581), (3, 20560527), (9, 6853509), (13, 4744737), (19, 3246399), (27, 2284503), (39, 1581579), (57, 1082133), (81, 761501), (117, 527193), (171, 360711), (247, 249723), (351, 175731), (513, 120237), (741, 83241), (1053, 58577), (1539, 40079), (2223, 27747), (3083, 20007), (6669, 9249)]