83991987

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{367}}^1\times {\mathrm{431}}^1$

素因数の和:863

約数の個数: 24

約数和(自身を含む): 124001280

約数和(自身を除く): 40009293

約数列:

[1, 3, 9, 59, 177, 367, 431, 531, 1101, 1293, 3303, 3879, 21653, 25429, 64959, 76287, 158177, 194877, 228861, 474531, 1423593, 9332443, 27997329, 83991987]

約数ペア:

[(1, 83991987), (3, 27997329), (9, 9332443), (59, 1423593), (177, 474531), (367, 228861), (431, 194877), (531, 158177), (1101, 76287), (1293, 64959), (3303, 25429), (3879, 21653)]