157788891

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 256838400

約数和(自身を除く): 99049509

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 199, 243, 251, 351, 597, 753, 1053, 1791, 2259, 2587, 3159, 3263, 5373, 6777, 7761, 9789, 16119, 20331, 23283, 29367, 48357, 49949, 60993, 69849, 88101, 149847, 209547, 264303, 449541, 628641, 649337, 792909, 1348623, 1948011, 4045869, 5844033, 12137607, 17532099, 52596297, 157788891]

約数ペア:

[(1, 157788891), (3, 52596297), (9, 17532099), (13, 12137607), (27, 5844033), (39, 4045869), (81, 1948011), (117, 1348623), (199, 792909), (243, 649337), (251, 628641), (351, 449541), (597, 264303), (753, 209547), (1053, 149847), (1791, 88101), (2259, 69849), (2587, 60993), (3159, 49949), (3263, 48357), (5373, 29367), (6777, 23283), (7761, 20331), (9789, 16119)]