2680305

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 4748544

約数和(自身を除く): 2068239

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 457, 1173, 1371, 1955, 2285, 5865, 6855, 7769, 10511, 23307, 31533, 38845, 52555, 116535, 157665, 178687, 536061, 893435, 2680305]

約数ペア:

[(1, 2680305), (3, 893435), (5, 536061), (15, 178687), (17, 157665), (23, 116535), (51, 52555), (69, 38845), (85, 31533), (115, 23307), (255, 10511), (345, 7769), (391, 6855), (457, 5865), (1173, 2285), (1371, 1955)]