164078901

素因数分解:

$3^2\times 7^2\times {\mathrm{372061}}^1$

素因数の和:372081

約数の個数: 18

約数和(自身を含む): 275697942

約数和(自身を除く): 111619041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 372061, 1116183, 2604427, 3348549, 7813281, 18230989, 23439843, 54692967, 164078901]

約数ペア:

[(1, 164078901), (3, 54692967), (7, 23439843), (9, 18230989), (21, 7813281), (49, 3348549), (63, 2604427), (147, 1116183), (441, 372061)]