56720925

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{4943}}^1$

素因数の和:4979

約数の個数: 48

約数和(自身を含む): 110350080

約数和(自身を除く): 53629155

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 135, 153, 225, 255, 425, 459, 675, 765, 1275, 2295, 3825, 4943, 11475, 14829, 24715, 44487, 74145, 84031, 123575, 133461, 222435, 252093, 370725, 420155, 667305, 756279, 1112175, 1260465, 2100775, 2268837, 3336525, 3781395, 6302325, 11344185, 18906975, 56720925]

約数ペア:

[(1, 56720925), (3, 18906975), (5, 11344185), (9, 6302325), (15, 3781395), (17, 3336525), (25, 2268837), (27, 2100775), (45, 1260465), (51, 1112175), (75, 756279), (85, 667305), (135, 420155), (153, 370725), (225, 252093), (255, 222435), (425, 133461), (459, 123575), (675, 84031), (765, 74145), (1275, 44487), (2295, 24715), (3825, 14829), (4943, 11475)]