1944405

素因数分解:

$3^4\times 5^1\times {\mathrm{4801}}^1$

素因数の和:4818

約数の個数: 20

約数和(自身を含む): 3486252

約数和(自身を除く): 1541847

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4801, 14403, 24005, 43209, 72015, 129627, 216045, 388881, 648135, 1944405]

約数ペア:

[(1, 1944405), (3, 648135), (5, 388881), (9, 216045), (15, 129627), (27, 72015), (45, 43209), (81, 24005), (135, 14403), (405, 4801)]