289317021

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{67867}}^1$

素因数の和:67913

約数の個数: 24

約数和(自身を含む): 464217120

約数和(自身を除く): 174900099

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 67867, 203601, 475069, 1425207, 1968143, 3325483, 5904429, 9976449, 13777001, 41331003, 96439007, 289317021]

約数ペア:

[(1, 289317021), (3, 96439007), (7, 41331003), (21, 13777001), (29, 9976449), (49, 5904429), (87, 3325483), (147, 1968143), (203, 1425207), (609, 475069), (1421, 203601), (4263, 67867)]