213865731

素因数分解:

$3^3\times {\mathrm{401}}^1\times {\mathrm{19753}}^1$

素因数の和:20163

約数の個数: 16

約数和(自身を含む): 317644320

約数和(自身を除く): 103778589

約数列:

[1, 3, 9, 27, 401, 1203, 3609, 10827, 19753, 59259, 177777, 533331, 7920953, 23762859, 71288577, 213865731]

約数ペア:

[(1, 213865731), (3, 71288577), (9, 23762859), (27, 7920953), (401, 533331), (1203, 177777), (3609, 59259), (10827, 19753)]