68874519

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{857}}^1$

素因数の和:999

約数の個数: 32

約数和(自身を含む): 108725760

約数和(自身を除く): 39851241

約数列:

[1, 3, 7, 21, 43, 89, 129, 267, 301, 623, 857, 903, 1869, 2571, 3827, 5999, 11481, 17997, 26789, 36851, 76273, 80367, 110553, 228819, 257957, 533911, 773871, 1601733, 3279739, 9839217, 22958173, 68874519]

約数ペア:

[(1, 68874519), (3, 22958173), (7, 9839217), (21, 3279739), (43, 1601733), (89, 773871), (129, 533911), (267, 257957), (301, 228819), (623, 110553), (857, 80367), (903, 76273), (1869, 36851), (2571, 26789), (3827, 17997), (5999, 11481)]