1255215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 2229696

約数和(自身を除く): 974481

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 157, 195, 205, 471, 533, 615, 785, 1599, 2041, 2355, 2665, 6123, 6437, 7995, 10205, 19311, 30615, 32185, 83681, 96555, 251043, 418405, 1255215]

約数ペア:

[(1, 1255215), (3, 418405), (5, 251043), (13, 96555), (15, 83681), (39, 32185), (41, 30615), (65, 19311), (123, 10205), (157, 7995), (195, 6437), (205, 6123), (471, 2665), (533, 2355), (615, 2041), (785, 1599)]