143780721

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{112241}}^1$

素因数の和:112312

約数の個数: 16

約数和(自身を含む): 222688128

約数和(自身を除く): 78907407

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 112241, 336723, 785687, 2357061, 6846701, 20540103, 47926907, 143780721]

約数ペア:

[(1, 143780721), (3, 47926907), (7, 20540103), (21, 6846701), (61, 2357061), (183, 785687), (427, 336723), (1281, 112241)]