1393375

素因数分解:

$5^3\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:243

約数の個数: 16

約数和(自身を含む): 1774656

約数和(自身を除く): 381281

約数列:

[1, 5, 25, 71, 125, 157, 355, 785, 1775, 3925, 8875, 11147, 19625, 55735, 278675, 1393375]

約数ペア:

[(1, 1393375), (5, 278675), (25, 55735), (71, 19625), (125, 11147), (157, 8875), (355, 3925), (785, 1775)]