81087723

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{751}}^1$

素因数の和:837

約数の個数: 40

約数和(自身を含む): 128116736

約数和(自身を除く): 47029013

約数列:

[1, 3, 9, 27, 31, 43, 81, 93, 129, 279, 387, 751, 837, 1161, 1333, 2253, 2511, 3483, 3999, 6759, 11997, 20277, 23281, 32293, 35991, 60831, 69843, 96879, 107973, 209529, 290637, 628587, 871911, 1001083, 1885761, 2615733, 3003249, 9009747, 27029241, 81087723]

約数ペア:

[(1, 81087723), (3, 27029241), (9, 9009747), (27, 3003249), (31, 2615733), (43, 1885761), (81, 1001083), (93, 871911), (129, 628587), (279, 290637), (387, 209529), (751, 107973), (837, 96879), (1161, 69843), (1333, 60831), (2253, 35991), (2511, 32293), (3483, 23281), (3999, 20277), (6759, 11997)]