208125045

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{22343}}^1$

素因数の和:22383

約数の個数: 40

約数和(自身を含む): 389321856

約数和(自身を除く): 181196811

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 621, 1035, 1863, 3105, 9315, 22343, 67029, 111715, 201087, 335145, 513889, 603261, 1005435, 1541667, 1809783, 2569445, 3016305, 4625001, 7708335, 9048915, 13875003, 23125005, 41625009, 69375015, 208125045]

約数ペア:

[(1, 208125045), (3, 69375015), (5, 41625009), (9, 23125005), (15, 13875003), (23, 9048915), (27, 7708335), (45, 4625001), (69, 3016305), (81, 2569445), (115, 1809783), (135, 1541667), (207, 1005435), (345, 603261), (405, 513889), (621, 335145), (1035, 201087), (1863, 111715), (3105, 67029), (9315, 22343)]