222722217

素因数分解:

$3^4\times {\mathrm{401}}^1\times {\mathrm{6857}}^1$

素因数の和:7270

約数の個数: 20

約数和(自身を含む): 333586836

約数和(自身を除く): 110864619

約数列:

[1, 3, 9, 27, 81, 401, 1203, 3609, 6857, 10827, 20571, 32481, 61713, 185139, 555417, 2749657, 8248971, 24746913, 74240739, 222722217]

約数ペア:

[(1, 222722217), (3, 74240739), (9, 24746913), (27, 8248971), (81, 2749657), (401, 555417), (1203, 185139), (3609, 61713), (6857, 32481), (10827, 20571)]