1660581

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:127

約数の個数: 40

約数和(自身を含む): 2845920

約数和(自身を除く): 1185339

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 83, 117, 171, 247, 249, 351, 513, 741, 747, 1053, 1079, 1539, 1577, 2223, 2241, 3237, 4731, 6669, 6723, 9711, 14193, 20007, 20501, 29133, 42579, 61503, 87399, 127737, 184509, 553527, 1660581]

約数ペア:

[(1, 1660581), (3, 553527), (9, 184509), (13, 127737), (19, 87399), (27, 61503), (39, 42579), (57, 29133), (81, 20501), (83, 20007), (117, 14193), (171, 9711), (247, 6723), (249, 6669), (351, 4731), (513, 3237), (741, 2241), (747, 2223), (1053, 1577), (1079, 1539)]