42890015

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{20089}}^1$

素因数の和:20162

約数の個数: 16

約数和(自身を含む): 59787840

約数和(自身を除く): 16897825

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 20089, 100445, 140623, 703115, 1225429, 6127145, 8578003, 42890015]

約数ペア:

[(1, 42890015), (5, 8578003), (7, 6127145), (35, 1225429), (61, 703115), (305, 140623), (427, 100445), (2135, 20089)]