72406971

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 129642240

約数和(自身を除く): 57235269

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 211, 273, 419, 633, 819, 1257, 1477, 1899, 2743, 2933, 3771, 4431, 5447, 8229, 8799, 13293, 16341, 19201, 24687, 26397, 38129, 49023, 57603, 88409, 114387, 172809, 265227, 343161, 618863, 795681, 1149317, 1856589, 3447951, 5569767, 8045219, 10343853, 24135657, 72406971]

約数ペア:

[(1, 72406971), (3, 24135657), (7, 10343853), (9, 8045219), (13, 5569767), (21, 3447951), (39, 1856589), (63, 1149317), (91, 795681), (117, 618863), (211, 343161), (273, 265227), (419, 172809), (633, 114387), (819, 88409), (1257, 57603), (1477, 49023), (1899, 38129), (2743, 26397), (2933, 24687), (3771, 19201), (4431, 16341), (5447, 13293), (8229, 8799)]