121928219

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{443}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 146685168

約数和(自身を除く): 24756949

約数列:

[1, 7, 41, 49, 137, 287, 443, 959, 2009, 3101, 5617, 6713, 18163, 21707, 39319, 60691, 127141, 275233, 424837, 889987, 2488331, 2973859, 17418317, 121928219]

約数ペア:

[(1, 121928219), (7, 17418317), (41, 2973859), (49, 2488331), (137, 889987), (287, 424837), (443, 275233), (959, 127141), (2009, 60691), (3101, 39319), (5617, 21707), (6713, 18163)]