81525465

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{36973}}^1$

素因数の和:36998

約数の個数: 36

約数和(自身を含む): 164386404

約数和(自身を除く): 82860939

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 36973, 110919, 184865, 258811, 332757, 554595, 776433, 1294055, 1663785, 1811677, 2329299, 3882165, 5435031, 9058385, 11646495, 16305093, 27175155, 81525465]

約数ペア:

[(1, 81525465), (3, 27175155), (5, 16305093), (7, 11646495), (9, 9058385), (15, 5435031), (21, 3882165), (35, 2329299), (45, 1811677), (49, 1663785), (63, 1294055), (105, 776433), (147, 554595), (245, 332757), (315, 258811), (441, 184865), (735, 110919), (2205, 36973)]