2019684009

素因数分解:

$3^1\times 7^2\times {\mathrm{2657}}^1\times {\mathrm{5171}}^1$

素因数の和:7845

約数の個数: 24

約数和(自身を含む): 3134356128

約数和(自身を除く): 1114672119

約数列:

[1, 3, 7, 21, 49, 147, 2657, 5171, 7971, 15513, 18599, 36197, 55797, 108591, 130193, 253379, 390579, 760137, 13739347, 41218041, 96175429, 288526287, 673228003, 2019684009]

約数ペア:

[(1, 2019684009), (3, 673228003), (7, 288526287), (21, 96175429), (49, 41218041), (147, 13739347), (2657, 760137), (5171, 390579), (7971, 253379), (15513, 130193), (18599, 108591), (36197, 55797)]