2797263

素因数分解:

$3^2\times 7^2\times {\mathrm{6343}}^1$

素因数の和:6363

約数の個数: 18

約数和(自身を含む): 4700904

約数和(自身を除く): 1903641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 6343, 19029, 44401, 57087, 133203, 310807, 399609, 932421, 2797263]

約数ペア:

[(1, 2797263), (3, 932421), (7, 399609), (9, 310807), (21, 133203), (49, 57087), (63, 44401), (147, 19029), (441, 6343)]