201555207

素因数分解:

$3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{18493}}^1$

素因数の和:18679

約数の個数: 24

約数和(自身を含む): 334667424

約数和(自身を除く): 133112217

約数列:

[1, 3, 7, 9, 21, 63, 173, 519, 1211, 1557, 3633, 10899, 18493, 55479, 129451, 166437, 388353, 1165059, 3199289, 9597867, 22395023, 28793601, 67185069, 201555207]

約数ペア:

[(1, 201555207), (3, 67185069), (7, 28793601), (9, 22395023), (21, 9597867), (63, 3199289), (173, 1165059), (519, 388353), (1211, 166437), (1557, 129451), (3633, 55479), (10899, 18493)]