128410725

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{74441}}^1$

素因数の和:74477

約数の個数: 24

約数和(自身を含む): 221539392

約数和(自身を除く): 93128667

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 74441, 223323, 372205, 1116615, 1712143, 1861025, 5136429, 5583075, 8560715, 25682145, 42803575, 128410725]

約数ペア:

[(1, 128410725), (3, 42803575), (5, 25682145), (15, 8560715), (23, 5583075), (25, 5136429), (69, 1861025), (75, 1712143), (115, 1116615), (345, 372205), (575, 223323), (1725, 74441)]