217526193

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{677}}^1\times {\mathrm{1879}}^1$

素因数の和:2581

約数の個数: 24

約数和(自身を含む): 331406400

約数和(自身を除く): 113880207

約数列:

[1, 3, 9, 19, 57, 171, 677, 1879, 2031, 5637, 6093, 12863, 16911, 35701, 38589, 107103, 115767, 321309, 1272083, 3816249, 11448747, 24169577, 72508731, 217526193]

約数ペア:

[(1, 217526193), (3, 72508731), (9, 24169577), (19, 11448747), (57, 3816249), (171, 1272083), (677, 321309), (1879, 115767), (2031, 107103), (5637, 38589), (6093, 35701), (12863, 16911)]