68227887

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{509}}^1$

素因数の和:1023

約数の個数: 32

約数和(自身を含む): 112412160

約数和(自身を除く): 44184273

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 491, 509, 1473, 1527, 3437, 3563, 6383, 6617, 10311, 10689, 19149, 19851, 44681, 46319, 134043, 138957, 249919, 749757, 1749433, 3248947, 5248299, 9746841, 22742629, 68227887]

約数ペア:

[(1, 68227887), (3, 22742629), (7, 9746841), (13, 5248299), (21, 3248947), (39, 1749433), (91, 749757), (273, 249919), (491, 138957), (509, 134043), (1473, 46319), (1527, 44681), (3437, 19851), (3563, 19149), (6383, 10689), (6617, 10311)]