90870903

素因数分解:

$3^4\times {\mathrm{317}}^1\times {\mathrm{3539}}^1$

素因数の和:3868

約数の個数: 20

約数和(自身を含む): 136212120

約数和(自身を除く): 45341217

約数列:

[1, 3, 9, 27, 81, 317, 951, 2853, 3539, 8559, 10617, 25677, 31851, 95553, 286659, 1121863, 3365589, 10096767, 30290301, 90870903]

約数ペア:

[(1, 90870903), (3, 30290301), (9, 10096767), (27, 3365589), (81, 1121863), (317, 286659), (951, 95553), (2853, 31851), (3539, 25677), (8559, 10617)]