221750253

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{2129}}^1$

素因数の和:2369

約数の個数: 24

約数和(自身を含む): 326963520

約数和(自身を除く): 105213267

約数列:

[1, 3, 9, 71, 163, 213, 489, 639, 1467, 2129, 6387, 11573, 19161, 34719, 104157, 151159, 347027, 453477, 1041081, 1360431, 3123243, 24638917, 73916751, 221750253]

約数ペア:

[(1, 221750253), (3, 73916751), (9, 24638917), (71, 3123243), (163, 1360431), (213, 1041081), (489, 453477), (639, 347027), (1467, 151159), (2129, 104157), (6387, 34719), (11573, 19161)]