128423919

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{419}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 191923200

約数和(自身を除く): 63499281

約数列:

[1, 3, 13, 29, 39, 87, 271, 377, 419, 813, 1131, 1257, 3523, 5447, 7859, 10569, 12151, 16341, 23577, 36453, 102167, 113549, 157963, 306501, 340647, 473889, 1476137, 3292921, 4428411, 9878763, 42807973, 128423919]

約数ペア:

[(1, 128423919), (3, 42807973), (13, 9878763), (29, 4428411), (39, 3292921), (87, 1476137), (271, 473889), (377, 340647), (419, 306501), (813, 157963), (1131, 113549), (1257, 102167), (3523, 36453), (5447, 23577), (7859, 16341), (10569, 12151)]