261135

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{829}}^1$

素因数の和:847

約数の個数: 24

約数和(自身を含む): 517920

約数和(自身を除く): 256785

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 829, 2487, 4145, 5803, 7461, 12435, 17409, 29015, 37305, 52227, 87045, 261135]

約数ペア:

[(1, 261135), (3, 87045), (5, 52227), (7, 37305), (9, 29015), (15, 17409), (21, 12435), (35, 7461), (45, 5803), (63, 4145), (105, 2487), (315, 829)]