28410759

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{18679}}^1$

素因数の和:18711

約数の個数: 18

約数和(自身を含む): 44439720

約数和(自身を除く): 16028961

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 18679, 56037, 168111, 242827, 728481, 2185443, 3156751, 9470253, 28410759]

約数ペア:

[(1, 28410759), (3, 9470253), (9, 3156751), (13, 2185443), (39, 728481), (117, 242827), (169, 168111), (507, 56037), (1521, 18679)]