81866115

素因数分解:

$3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{6763}}^1$

素因数の和:7043

約数の個数: 24

約数和(自身を含む): 142449840

約数和(自身を除く): 60583725

約数列:

[1, 3, 5, 9, 15, 45, 269, 807, 1345, 2421, 4035, 6763, 12105, 20289, 33815, 60867, 101445, 304335, 1819247, 5457741, 9096235, 16373223, 27288705, 81866115]

約数ペア:

[(1, 81866115), (3, 27288705), (5, 16373223), (9, 9096235), (15, 5457741), (45, 1819247), (269, 304335), (807, 101445), (1345, 60867), (2421, 33815), (4035, 20289), (6763, 12105)]