154491705

素因数分解:

$3^4\times 5^1\times {\mathrm{381461}}^1$

素因数の和:381478

約数の個数: 20

約数和(自身を含む): 276941412

約数和(自身を除く): 122449707

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 381461, 1144383, 1907305, 3433149, 5721915, 10299447, 17165745, 30898341, 51497235, 154491705]

約数ペア:

[(1, 154491705), (3, 51497235), (5, 30898341), (9, 17165745), (15, 10299447), (27, 5721915), (45, 3433149), (81, 1907305), (135, 1144383), (405, 381461)]