81284355

素因数分解:

$3^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{2741}}^1$

素因数の和:3411

約数の個数: 24

約数和(自身を含む): 141158160

約数和(自身を除く): 59873805

約数列:

[1, 3, 5, 9, 15, 45, 659, 1977, 2741, 3295, 5931, 8223, 9885, 13705, 24669, 29655, 41115, 123345, 1806319, 5418957, 9031595, 16256871, 27094785, 81284355]

約数ペア:

[(1, 81284355), (3, 27094785), (5, 16256871), (9, 9031595), (15, 5418957), (45, 1806319), (659, 123345), (1977, 41115), (2741, 29655), (3295, 24669), (5931, 13705), (8223, 9885)]