28352265

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 46949760

約数和(自身を除く): 18597495

約数列:

[1, 3, 5, 15, 43, 113, 129, 215, 339, 389, 565, 645, 1167, 1695, 1945, 4859, 5835, 14577, 16727, 24295, 43957, 50181, 72885, 83635, 131871, 219785, 250905, 659355, 1890151, 5670453, 9450755, 28352265]

約数ペア:

[(1, 28352265), (3, 9450755), (5, 5670453), (15, 1890151), (43, 659355), (113, 250905), (129, 219785), (215, 131871), (339, 83635), (389, 72885), (565, 50181), (645, 43957), (1167, 24295), (1695, 16727), (1945, 14577), (4859, 5835)]