138205893

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 214502400

約数和(自身を除く): 76296507

約数列:

[1, 3, 7, 21, 113, 139, 339, 417, 419, 791, 973, 1257, 2373, 2919, 2933, 8799, 15707, 47121, 47347, 58241, 109949, 142041, 174723, 329847, 331429, 407687, 994287, 1223061, 6581233, 19743699, 46068631, 138205893]

約数ペア:

[(1, 138205893), (3, 46068631), (7, 19743699), (21, 6581233), (113, 1223061), (139, 994287), (339, 407687), (417, 331429), (419, 329847), (791, 174723), (973, 142041), (1257, 109949), (2373, 58241), (2919, 47347), (2933, 47121), (8799, 15707)]