138206943

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{157}}^2$

素因数の和:416

約数の個数: 36

約数和(自身を含む): 232193520

約数和(自身を除く): 93986577

約数列:

[1, 3, 7, 9, 21, 63, 89, 157, 267, 471, 623, 801, 1099, 1413, 1869, 3297, 5607, 9891, 13973, 24649, 41919, 73947, 97811, 125757, 172543, 221841, 293433, 517629, 880299, 1552887, 2193761, 6581283, 15356327, 19743849, 46068981, 138206943]

約数ペア:

[(1, 138206943), (3, 46068981), (7, 19743849), (9, 15356327), (21, 6581283), (63, 2193761), (89, 1552887), (157, 880299), (267, 517629), (471, 293433), (623, 221841), (801, 172543), (1099, 125757), (1413, 97811), (1869, 73947), (3297, 41919), (5607, 24649), (9891, 13973)]