25215945

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{859}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 42931200

約数和(自身を除く): 17715255

約数列:

[1, 3, 5, 15, 19, 57, 95, 103, 285, 309, 515, 859, 1545, 1957, 2577, 4295, 5871, 9785, 12885, 16321, 29355, 48963, 81605, 88477, 244815, 265431, 442385, 1327155, 1681063, 5043189, 8405315, 25215945]

約数ペア:

[(1, 25215945), (3, 8405315), (5, 5043189), (15, 1681063), (19, 1327155), (57, 442385), (95, 265431), (103, 244815), (285, 88477), (309, 81605), (515, 48963), (859, 29355), (1545, 16321), (1957, 12885), (2577, 9785), (4295, 5871)]