205511901

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{751}}^1$

素因数の和:1001

約数の個数: 32

約数和(自身を含む): 319377408

約数和(自身を除く): 113865507

約数列:

[1, 3, 7, 21, 83, 157, 249, 471, 581, 751, 1099, 1743, 2253, 3297, 5257, 13031, 15771, 39093, 62333, 91217, 117907, 186999, 273651, 353721, 436331, 825349, 1308993, 2476047, 9786281, 29358843, 68503967, 205511901]

約数ペア:

[(1, 205511901), (3, 68503967), (7, 29358843), (21, 9786281), (83, 2476047), (157, 1308993), (249, 825349), (471, 436331), (581, 353721), (751, 273651), (1099, 186999), (1743, 117907), (2253, 91217), (3297, 62333), (5257, 39093), (13031, 15771)]