204560505

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{65881}}^1$

素因数の和:65918

約数の個数: 32

約数和(自身を含む): 379480320

約数和(自身を除く): 174919815

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 65881, 197643, 329405, 592929, 988215, 1515263, 1778787, 2964645, 4545789, 7576315, 8893935, 13637367, 22728945, 40912101, 68186835, 204560505]

約数ペア:

[(1, 204560505), (3, 68186835), (5, 40912101), (9, 22728945), (15, 13637367), (23, 8893935), (27, 7576315), (45, 4545789), (69, 2964645), (115, 1778787), (135, 1515263), (207, 988215), (345, 592929), (621, 329405), (1035, 197643), (3105, 65881)]