87081579

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{911}}^1$

素因数の和:992

約数の個数: 48

約数和(自身を含む): 146065920

約数和(自身を除く): 58984341

約数列:

[1, 3, 9, 13, 19, 39, 43, 57, 117, 129, 171, 247, 387, 559, 741, 817, 911, 1677, 2223, 2451, 2733, 5031, 7353, 8199, 10621, 11843, 17309, 31863, 35529, 39173, 51927, 95589, 106587, 117519, 155781, 225017, 352557, 509249, 675051, 744287, 1527747, 2025153, 2232861, 4583241, 6698583, 9675731, 29027193, 87081579]

約数ペア:

[(1, 87081579), (3, 29027193), (9, 9675731), (13, 6698583), (19, 4583241), (39, 2232861), (43, 2025153), (57, 1527747), (117, 744287), (129, 675051), (171, 509249), (247, 352557), (387, 225017), (559, 155781), (741, 117519), (817, 106587), (911, 95589), (1677, 51927), (2223, 39173), (2451, 35529), (2733, 31863), (5031, 17309), (7353, 11843), (8199, 10621)]