81001081

素因数分解:

$7^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:744

約数の個数: 16

約数和(自身を含む): 93899520

約数和(自身を除く): 12898439

約数列:

[1, 7, 151, 197, 389, 1057, 1379, 2723, 29747, 58739, 76633, 208229, 411173, 536431, 11571583, 81001081]

約数ペア:

[(1, 81001081), (7, 11571583), (151, 536431), (197, 411173), (389, 208229), (1057, 76633), (1379, 58739), (2723, 29747)]