80030187

素因数分解:

$3^4\times {\mathrm{991}}^1\times {\mathrm{997}}^1$

素因数の和:2000

約数の個数: 20

約数和(自身を含む): 119791936

約数和(自身を除く): 39761749

約数列:

[1, 3, 9, 27, 81, 991, 997, 2973, 2991, 8919, 8973, 26757, 26919, 80271, 80757, 988027, 2964081, 8892243, 26676729, 80030187]

約数ペア:

[(1, 80030187), (3, 26676729), (9, 8892243), (27, 2964081), (81, 988027), (991, 80757), (997, 80271), (2973, 26919), (2991, 26757), (8919, 8973)]