815211397

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42863}}^1$

素因数の和:42913

約数の個数: 32

約数和(自身を含む): 1152184320

約数和(自身を除く): 336972923

約数列:

[1, 7, 11, 13, 19, 77, 91, 133, 143, 209, 247, 1001, 1463, 1729, 2717, 19019, 42863, 300041, 471493, 557219, 814397, 3300451, 3900533, 5700779, 6129409, 8958367, 10587161, 42905863, 62708569, 74110127, 116458771, 815211397]

約数ペア:

[(1, 815211397), (7, 116458771), (11, 74110127), (13, 62708569), (19, 42905863), (77, 10587161), (91, 8958367), (133, 6129409), (143, 5700779), (209, 3900533), (247, 3300451), (1001, 814397), (1463, 557219), (1729, 471493), (2717, 300041), (19019, 42863)]