642045

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1861}}^1$

素因数の和:1892

約数の個数: 16

約数和(自身を含む): 1072512

約数和(自身を除く): 430467

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 1861, 5583, 9305, 27915, 42803, 128409, 214015, 642045]

約数ペア:

[(1, 642045), (3, 214015), (5, 128409), (15, 42803), (23, 27915), (69, 9305), (115, 5583), (345, 1861)]