128400315

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{2027}}^1$

素因数の和:2179

約数の個数: 32

約数和(自身を含む): 212599296

約数和(自身を除く): 84198981

約数列:

[1, 3, 5, 15, 41, 103, 123, 205, 309, 515, 615, 1545, 2027, 4223, 6081, 10135, 12669, 21115, 30405, 63345, 83107, 208781, 249321, 415535, 626343, 1043905, 1246605, 3131715, 8560021, 25680063, 42800105, 128400315]

約数ペア:

[(1, 128400315), (3, 42800105), (5, 25680063), (15, 8560021), (41, 3131715), (103, 1246605), (123, 1043905), (205, 626343), (309, 415535), (515, 249321), (615, 208781), (1545, 83107), (2027, 63345), (4223, 30405), (6081, 21115), (10135, 12669)]