2821671

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{569}}^1$

素因数の和:623

約数の個数: 24

約数和(自身を含む): 4446000

約数和(自身を除く): 1624329

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 569, 1653, 1707, 4959, 5121, 10811, 16501, 32433, 49503, 97299, 148509, 313519, 940557, 2821671]

約数ペア:

[(1, 2821671), (3, 940557), (9, 313519), (19, 148509), (29, 97299), (57, 49503), (87, 32433), (171, 16501), (261, 10811), (551, 5121), (569, 4959), (1653, 1707)]