209675325

素因数分解:

$3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{21341}}^1$

素因数の和:21485

約数の個数: 24

約数和(自身を含む): 349325856

約数和(自身を除く): 139650531

約数列:

[1, 3, 5, 15, 25, 75, 131, 393, 655, 1965, 3275, 9825, 21341, 64023, 106705, 320115, 533525, 1600575, 2795671, 8387013, 13978355, 41935065, 69891775, 209675325]

約数ペア:

[(1, 209675325), (3, 69891775), (5, 41935065), (15, 13978355), (25, 8387013), (75, 2795671), (131, 1600575), (393, 533525), (655, 320115), (1965, 106705), (3275, 64023), (9825, 21341)]