127900017

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1523}}^1$

素因数の和:1610

約数の個数: 48

約数和(自身を含む): 223162368

約数和(自身を除く): 95262351

約数列:

[1, 3, 7, 9, 21, 31, 43, 63, 93, 129, 217, 279, 301, 387, 651, 903, 1333, 1523, 1953, 2709, 3999, 4569, 9331, 10661, 11997, 13707, 27993, 31983, 47213, 65489, 83979, 95949, 141639, 196467, 330491, 424917, 458423, 589401, 991473, 1375269, 2030159, 2974419, 4125807, 6090477, 14211113, 18271431, 42633339, 127900017]

約数ペア:

[(1, 127900017), (3, 42633339), (7, 18271431), (9, 14211113), (21, 6090477), (31, 4125807), (43, 2974419), (63, 2030159), (93, 1375269), (129, 991473), (217, 589401), (279, 458423), (301, 424917), (387, 330491), (651, 196467), (903, 141639), (1333, 95949), (1523, 83979), (1953, 65489), (2709, 47213), (3999, 31983), (4569, 27993), (9331, 13707), (10661, 11997)]