17916471

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:257

約数の個数: 40

約数和(自身を含む): 28575360

約数和(自身を除く): 10658889

約数列:

[1, 3, 9, 23, 27, 59, 69, 81, 163, 177, 207, 489, 531, 621, 1357, 1467, 1593, 1863, 3749, 4071, 4401, 4779, 9617, 11247, 12213, 13203, 28851, 33741, 36639, 86553, 101223, 109917, 221191, 259659, 303669, 663573, 778977, 1990719, 5972157, 17916471]

約数ペア:

[(1, 17916471), (3, 5972157), (9, 1990719), (23, 778977), (27, 663573), (59, 303669), (69, 259659), (81, 221191), (163, 109917), (177, 101223), (207, 86553), (489, 36639), (531, 33741), (621, 28851), (1357, 13203), (1467, 12213), (1593, 11247), (1863, 9617), (3749, 4779), (4071, 4401)]