390348903

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{640967}}^1$

素因数の和:641006

約数の個数: 16

約数和(自身を含む): 615329280

約数和(自身を除く): 224980377

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 640967, 1922901, 4486769, 13460307, 18588043, 55764129, 130116301, 390348903]

約数ペア:

[(1, 390348903), (3, 130116301), (7, 55764129), (21, 18588043), (29, 13460307), (87, 4486769), (203, 1922901), (609, 640967)]