18304014771

素因数分解:

$3^4\times 7^1\times {\mathrm{1559}}^1\times {\mathrm{20707}}^1$

素因数の和:22285

約数の個数: 40

約数和(自身を含む): 31270736640

約数和(自身を除く): 12966721869

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1559, 4677, 10913, 14031, 20707, 32739, 42093, 62121, 98217, 126279, 144949, 186363, 294651, 434847, 559089, 883953, 1304541, 1677267, 3913623, 11740869, 32282213, 96846639, 225975491, 290539917, 677926473, 871619751, 2033779419, 2614859253, 6101338257, 18304014771]

約数ペア:

[(1, 18304014771), (3, 6101338257), (7, 2614859253), (9, 2033779419), (21, 871619751), (27, 677926473), (63, 290539917), (81, 225975491), (189, 96846639), (567, 32282213), (1559, 11740869), (4677, 3913623), (10913, 1677267), (14031, 1304541), (20707, 883953), (32739, 559089), (42093, 434847), (62121, 294651), (98217, 186363), (126279, 144949)]