81999555

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{8147}}^1$

素因数の和:8227

約数の個数: 32

約数和(自身を含む): 145490688

約数和(自身を除く): 63491133

約数列:

[1, 3, 5, 11, 15, 33, 55, 61, 165, 183, 305, 671, 915, 2013, 3355, 8147, 10065, 24441, 40735, 89617, 122205, 268851, 448085, 496967, 1344255, 1490901, 2484835, 5466637, 7454505, 16399911, 27333185, 81999555]

約数ペア:

[(1, 81999555), (3, 27333185), (5, 16399911), (11, 7454505), (15, 5466637), (33, 2484835), (55, 1490901), (61, 1344255), (165, 496967), (183, 448085), (305, 268851), (671, 122205), (915, 89617), (2013, 40735), (3355, 24441), (8147, 10065)]