81845397

素因数分解:

$3^4\times {\mathrm{163}}^1\times {\mathrm{6199}}^1$

素因数の和:6374

約数の個数: 20

約数和(自身を含む): 123032800

約数和(自身を除く): 41187403

約数列:

[1, 3, 9, 27, 81, 163, 489, 1467, 4401, 6199, 13203, 18597, 55791, 167373, 502119, 1010437, 3031311, 9093933, 27281799, 81845397]

約数ペア:

[(1, 81845397), (3, 27281799), (9, 9093933), (27, 3031311), (81, 1010437), (163, 502119), (489, 167373), (1467, 55791), (4401, 18597), (6199, 13203)]