42123645

素因数分解:

$3^4\times 5^1\times {\mathrm{104009}}^1$

素因数の和:104026

約数の個数: 20

約数和(自身を含む): 75511260

約数和(自身を除く): 33387615

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 104009, 312027, 520045, 936081, 1560135, 2808243, 4680405, 8424729, 14041215, 42123645]

約数ペア:

[(1, 42123645), (3, 14041215), (5, 8424729), (9, 4680405), (15, 2808243), (27, 1560135), (45, 936081), (81, 520045), (135, 312027), (405, 104009)]