205017825

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{38501}}^1$

素因数の和:38585

約数の個数: 24

約数和(自身を含む): 343745856

約数和(自身を除く): 138728031

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 1065, 1775, 5325, 38501, 115503, 192505, 577515, 962525, 2733571, 2887575, 8200713, 13667855, 41003565, 68339275, 205017825]

約数ペア:

[(1, 205017825), (3, 68339275), (5, 41003565), (15, 13667855), (25, 8200713), (71, 2887575), (75, 2733571), (213, 962525), (355, 577515), (1065, 192505), (1775, 115503), (5325, 38501)]