8021025

素因数分解:

$3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{233}}^1$

素因数の和:272

約数の個数: 60

約数和(自身を含む): 15799212

約数和(自身を除く): 7778187

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 81, 85, 135, 153, 225, 233, 255, 405, 425, 459, 675, 699, 765, 1165, 1275, 1377, 2025, 2097, 2295, 3495, 3825, 3961, 5825, 6291, 6885, 10485, 11475, 11883, 17475, 18873, 19805, 31455, 34425, 35649, 52425, 59415, 94365, 99025, 106947, 157275, 178245, 297075, 320841, 471825, 534735, 891225, 1604205, 2673675, 8021025]

約数ペア:

[(1, 8021025), (3, 2673675), (5, 1604205), (9, 891225), (15, 534735), (17, 471825), (25, 320841), (27, 297075), (45, 178245), (51, 157275), (75, 106947), (81, 99025), (85, 94365), (135, 59415), (153, 52425), (225, 35649), (233, 34425), (255, 31455), (405, 19805), (425, 18873), (459, 17475), (675, 11883), (699, 11475), (765, 10485), (1165, 6885), (1275, 6291), (1377, 5825), (2025, 3961), (2097, 3825), (2295, 3495)]