201273723

素因数分解:

$3^2\times 7^2\times {\mathrm{456403}}^1$

素因数の和:456423

約数の個数: 18

約数和(自身を含む): 338195364

約数和(自身を除く): 136921641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 456403, 1369209, 3194821, 4107627, 9584463, 22363747, 28753389, 67091241, 201273723]

約数ペア:

[(1, 201273723), (3, 67091241), (7, 28753389), (9, 22363747), (21, 9584463), (49, 4107627), (63, 3194821), (147, 1369209), (441, 456403)]