2421225

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:247

約数の個数: 48

約数和(自身を含む): 4731840

約数和(自身を除く): 2310615

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 135, 153, 211, 225, 255, 425, 459, 633, 675, 765, 1055, 1275, 1899, 2295, 3165, 3587, 3825, 5275, 5697, 9495, 10761, 11475, 15825, 17935, 28485, 32283, 47475, 53805, 89675, 96849, 142425, 161415, 269025, 484245, 807075, 2421225]

約数ペア:

[(1, 2421225), (3, 807075), (5, 484245), (9, 269025), (15, 161415), (17, 142425), (25, 96849), (27, 89675), (45, 53805), (51, 47475), (75, 32283), (85, 28485), (135, 17935), (153, 15825), (211, 11475), (225, 10761), (255, 9495), (425, 5697), (459, 5275), (633, 3825), (675, 3587), (765, 3165), (1055, 2295), (1275, 1899)]