138830985

素因数分解:

$3^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{4813}}^1$

素因数の和:5465

約数の個数: 24

約数和(自身を含む): 241065864

約数和(自身を除く): 102234879

約数列:

[1, 3, 5, 9, 15, 45, 641, 1923, 3205, 4813, 5769, 9615, 14439, 24065, 28845, 43317, 72195, 216585, 3085133, 9255399, 15425665, 27766197, 46276995, 138830985]

約数ペア:

[(1, 138830985), (3, 46276995), (5, 27766197), (9, 15425665), (15, 9255399), (45, 3085133), (641, 216585), (1923, 72195), (3205, 43317), (4813, 28845), (5769, 24065), (9615, 14439)]