80990511

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{25541}}^1$

素因数の和:25702

約数の個数: 16

約数和(自身を含む): 124236288

約数和(自身を除く): 43245777

約数列:

[1, 3, 7, 21, 151, 453, 1057, 3171, 25541, 76623, 178787, 536361, 3856691, 11570073, 26996837, 80990511]

約数ペア:

[(1, 80990511), (3, 26996837), (7, 11570073), (21, 3856691), (151, 536361), (453, 178787), (1057, 76623), (3171, 25541)]