899899

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:91

約数の個数: 32

約数和(自身を含む): 1290240

約数和(自身を除く): 390341

約数列:

[1, 7, 11, 13, 29, 31, 77, 91, 143, 203, 217, 319, 341, 377, 403, 899, 1001, 2233, 2387, 2639, 2821, 4147, 4433, 6293, 9889, 11687, 29029, 31031, 69223, 81809, 128557, 899899]

約数ペア:

[(1, 899899), (7, 128557), (11, 81809), (13, 69223), (29, 31031), (31, 29029), (77, 11687), (91, 9889), (143, 6293), (203, 4433), (217, 4147), (319, 2821), (341, 2639), (377, 2387), (403, 2233), (899, 1001)]