858375981

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{263}}^1\times {\mathrm{1109}}^1$

素因数の和:1490

約数の個数: 32

約数和(自身を含む): 1289376000

約数和(自身を除く): 431000019

約数列:

[1, 3, 9, 27, 109, 263, 327, 789, 981, 1109, 2367, 2943, 3327, 7101, 9981, 28667, 29943, 86001, 120881, 258003, 291667, 362643, 774009, 875001, 1087929, 2625003, 3263787, 7875009, 31791703, 95375109, 286125327, 858375981]

約数ペア:

[(1, 858375981), (3, 286125327), (9, 95375109), (27, 31791703), (109, 7875009), (263, 3263787), (327, 2625003), (789, 1087929), (981, 875001), (1109, 774009), (2367, 362643), (2943, 291667), (3327, 258003), (7101, 120881), (9981, 86001), (28667, 29943)]