205515855

素因数分解:

$3^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{14407}}^1$

素因数の和:14735

約数の個数: 24

約数和(自身を含む): 357376032

約数和(自身を除く): 151860177

約数列:

[1, 3, 5, 9, 15, 45, 317, 951, 1585, 2853, 4755, 14265, 14407, 43221, 72035, 129663, 216105, 648315, 4567019, 13701057, 22835095, 41103171, 68505285, 205515855]

約数ペア:

[(1, 205515855), (3, 68505285), (5, 41103171), (9, 22835095), (15, 13701057), (45, 4567019), (317, 648315), (951, 216105), (1585, 129663), (2853, 72035), (4755, 43221), (14265, 14407)]