28726731

素因数分解:

$3^5\times {\mathrm{11}}^2\times {\mathrm{977}}^1$

素因数の和:1014

約数の個数: 36

約数和(自身を含む): 47346936

約数和(自身を除く): 18620205

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 121, 243, 297, 363, 891, 977, 1089, 2673, 2931, 3267, 8793, 9801, 10747, 26379, 29403, 32241, 79137, 96723, 118217, 237411, 290169, 354651, 870507, 1063953, 2611521, 3191859, 9575577, 28726731]

約数ペア:

[(1, 28726731), (3, 9575577), (9, 3191859), (11, 2611521), (27, 1063953), (33, 870507), (81, 354651), (99, 290169), (121, 237411), (243, 118217), (297, 96723), (363, 79137), (891, 32241), (977, 29403), (1089, 26379), (2673, 10747), (2931, 9801), (3267, 8793)]