1256509443

素因数分解:

$3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{142123}}^1$

素因数の和:142554

約数の個数: 16

約数和(自身を含む): 1919242496

約数和(自身を除く): 662733053

約数列:

[1, 3, 7, 21, 421, 1263, 2947, 8841, 142123, 426369, 994861, 2984583, 59833783, 179501349, 418836481, 1256509443]

約数ペア:

[(1, 1256509443), (3, 418836481), (7, 179501349), (21, 59833783), (421, 2984583), (1263, 994861), (2947, 426369), (8841, 142123)]