91991871

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{373}}^1\times {\mathrm{409}}^1$

素因数の和:855

約数の個数: 24

約数和(自身を含む): 135552560

約数和(自身を除く): 43560689

約数列:

[1, 3, 9, 67, 201, 373, 409, 603, 1119, 1227, 3357, 3681, 24991, 27403, 74973, 82209, 152557, 224919, 246627, 457671, 1373013, 10221319, 30663957, 91991871]

約数ペア:

[(1, 91991871), (3, 30663957), (9, 10221319), (67, 1373013), (201, 457671), (373, 246627), (409, 224919), (603, 152557), (1119, 82209), (1227, 74973), (3357, 27403), (3681, 24991)]