81096375

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{12721}}^1$

素因数の和:12756

約数の個数: 32

約数和(自身を含む): 142893504

約数和(自身を除く): 61797129

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 1275, 2125, 6375, 12721, 38163, 63605, 190815, 216257, 318025, 648771, 954075, 1081285, 1590125, 3243855, 4770375, 5406425, 16219275, 27032125, 81096375]

約数ペア:

[(1, 81096375), (3, 27032125), (5, 16219275), (15, 5406425), (17, 4770375), (25, 3243855), (51, 1590125), (75, 1081285), (85, 954075), (125, 648771), (255, 318025), (375, 216257), (425, 190815), (1275, 63605), (2125, 38163), (6375, 12721)]