20161502073

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{76847}}^1$

素因数の和:76979

約数の個数: 40

約数和(自身を含む): 31243322880

約数和(自身を除く): 11081820807

約数列:

[1, 3, 9, 27, 41, 79, 81, 123, 237, 369, 711, 1107, 2133, 3239, 3321, 6399, 9717, 29151, 76847, 87453, 230541, 262359, 691623, 2074869, 3150727, 6070913, 6224607, 9452181, 18212739, 28356543, 54638217, 85069629, 163914651, 248907433, 255208887, 491743953, 746722299, 2240166897, 6720500691, 20161502073]

約数ペア:

[(1, 20161502073), (3, 6720500691), (9, 2240166897), (27, 746722299), (41, 491743953), (79, 255208887), (81, 248907433), (123, 163914651), (237, 85069629), (369, 54638217), (711, 28356543), (1107, 18212739), (2133, 9452181), (3239, 6224607), (3321, 6070913), (6399, 3150727), (9717, 2074869), (29151, 691623), (76847, 262359), (87453, 230541)]