678661659

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{17419}}^1$

素因数の和:17481

約数の個数: 40

約数和(自身を含む): 1121360240

約数和(自身を除く): 442698581

約数列:

[1, 3, 9, 13, 27, 37, 39, 81, 111, 117, 333, 351, 481, 999, 1053, 1443, 2997, 4329, 12987, 17419, 38961, 52257, 156771, 226447, 470313, 644503, 679341, 1410939, 1933509, 2038023, 5800527, 6114069, 8378539, 17401581, 18342207, 25135617, 52204743, 75406851, 226220553, 678661659]

約数ペア:

[(1, 678661659), (3, 226220553), (9, 75406851), (13, 52204743), (27, 25135617), (37, 18342207), (39, 17401581), (81, 8378539), (111, 6114069), (117, 5800527), (333, 2038023), (351, 1933509), (481, 1410939), (999, 679341), (1053, 644503), (1443, 470313), (2997, 226447), (4329, 156771), (12987, 52257), (17419, 38961)]