221438973

素因数分解:

$3^1\times 7^1\times {\mathrm{2029}}^1\times {\mathrm{5197}}^1$

素因数の和:7236

約数の個数: 16

約数和(自身を含む): 337662080

約数和(自身を除く): 116223107

約数列:

[1, 3, 7, 21, 2029, 5197, 6087, 14203, 15591, 36379, 42609, 109137, 10544713, 31634139, 73812991, 221438973]

約数ペア:

[(1, 221438973), (3, 73812991), (7, 31634139), (21, 10544713), (2029, 109137), (5197, 42609), (6087, 36379), (14203, 15591)]