39905115

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 68802048

約数和(自身を除く): 28896933

約数列:

[1, 3, 5, 15, 23, 47, 69, 107, 115, 141, 235, 321, 345, 529, 535, 705, 1081, 1587, 1605, 2461, 2645, 3243, 5029, 5405, 7383, 7935, 12305, 15087, 16215, 24863, 25145, 36915, 56603, 74589, 75435, 115667, 124315, 169809, 283015, 347001, 372945, 578335, 849045, 1735005, 2660341, 7981023, 13301705, 39905115]

約数ペア:

[(1, 39905115), (3, 13301705), (5, 7981023), (15, 2660341), (23, 1735005), (47, 849045), (69, 578335), (107, 372945), (115, 347001), (141, 283015), (235, 169809), (321, 124315), (345, 115667), (529, 75435), (535, 74589), (705, 56603), (1081, 36915), (1587, 25145), (1605, 24863), (2461, 16215), (2645, 15087), (3243, 12305), (5029, 7935), (5405, 7383)]