56817855

素因数分解:

$3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2647}}^1$

素因数の和:2717

約数の個数: 40

約数和(自身を含む): 103812192

約数和(自身を除く): 46994337

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 265, 405, 477, 795, 1431, 2385, 2647, 4293, 7155, 7941, 13235, 21465, 23823, 39705, 71469, 119115, 140291, 214407, 357345, 420873, 701455, 1072035, 1262619, 2104365, 3787857, 6313095, 11363571, 18939285, 56817855]

約数ペア:

[(1, 56817855), (3, 18939285), (5, 11363571), (9, 6313095), (15, 3787857), (27, 2104365), (45, 1262619), (53, 1072035), (81, 701455), (135, 420873), (159, 357345), (265, 214407), (405, 140291), (477, 119115), (795, 71469), (1431, 39705), (2385, 23823), (2647, 21465), (4293, 13235), (7155, 7941)]