1979125

素因数分解:

$5^3\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:309

約数の個数: 16

約数和(自身を含む): 2515968

約数和(自身を除く): 536843

約数列:

[1, 5, 25, 71, 125, 223, 355, 1115, 1775, 5575, 8875, 15833, 27875, 79165, 395825, 1979125]

約数ペア:

[(1, 1979125), (5, 395825), (25, 79165), (71, 27875), (125, 15833), (223, 8875), (355, 5575), (1115, 1775)]