201266289

素因数分解:

$3^4\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2591}}^1$

素因数の和:2747

約数の個数: 40

約数和(自身を含む): 346249728

約数和(自身を除く): 144983439

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 137, 189, 411, 567, 959, 1233, 2591, 2877, 3699, 7773, 8631, 11097, 18137, 23319, 25893, 54411, 69957, 77679, 163233, 209871, 354967, 489699, 1064901, 1469097, 2484769, 3194703, 7454307, 9584109, 22362921, 28752327, 67088763, 201266289]

約数ペア:

[(1, 201266289), (3, 67088763), (7, 28752327), (9, 22362921), (21, 9584109), (27, 7454307), (63, 3194703), (81, 2484769), (137, 1469097), (189, 1064901), (411, 489699), (567, 354967), (959, 209871), (1233, 163233), (2591, 77679), (2877, 69957), (3699, 54411), (7773, 25893), (8631, 23319), (11097, 18137)]