128202345

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13763}}^1$

素因数の和:13803

約数の個数: 40

約数和(自身を含む): 239823936

約数和(自身を除く): 111621591

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 621, 1035, 1863, 3105, 9315, 13763, 41289, 68815, 123867, 206445, 316549, 371601, 619335, 949647, 1114803, 1582745, 1858005, 2848941, 4748235, 5574015, 8546823, 14244705, 25640469, 42734115, 128202345]

約数ペア:

[(1, 128202345), (3, 42734115), (5, 25640469), (9, 14244705), (15, 8546823), (23, 5574015), (27, 4748235), (45, 2848941), (69, 1858005), (81, 1582745), (115, 1114803), (135, 949647), (207, 619335), (345, 371601), (405, 316549), (621, 206445), (1035, 123867), (1863, 68815), (3105, 41289), (9315, 13763)]