291225609

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{61169}}^1$

素因数の和:61221

約数の個数: 18

約数和(自身を含む): 439751130

約数和(自身を除く): 148525521

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 4761, 61169, 183507, 550521, 1406887, 4220661, 12661983, 32358401, 97075203, 291225609]

約数ペア:

[(1, 291225609), (3, 97075203), (9, 32358401), (23, 12661983), (69, 4220661), (207, 1406887), (529, 550521), (1587, 183507), (4761, 61169)]