16806765

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 27979776

約数和(自身を除く): 11173011

約数列:

[1, 3, 5, 15, 43, 71, 129, 213, 215, 355, 367, 645, 1065, 1101, 1835, 3053, 5505, 9159, 15265, 15781, 26057, 45795, 47343, 78171, 78905, 130285, 236715, 390855, 1120451, 3361353, 5602255, 16806765]

約数ペア:

[(1, 16806765), (3, 5602255), (5, 3361353), (15, 1120451), (43, 390855), (71, 236715), (129, 130285), (213, 78905), (215, 78171), (355, 47343), (367, 45795), (645, 26057), (1065, 15781), (1101, 15265), (1835, 9159), (3053, 5505)]