27285705

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{643}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 50633856

約数和(自身を除く): 23348151

約数列:

[1, 3, 5, 9, 15, 23, 41, 45, 69, 115, 123, 205, 207, 345, 369, 615, 643, 943, 1035, 1845, 1929, 2829, 3215, 4715, 5787, 8487, 9645, 14145, 14789, 26363, 28935, 42435, 44367, 73945, 79089, 131815, 133101, 221835, 237267, 395445, 606349, 665505, 1186335, 1819047, 3031745, 5457141, 9095235, 27285705]

約数ペア:

[(1, 27285705), (3, 9095235), (5, 5457141), (9, 3031745), (15, 1819047), (23, 1186335), (41, 665505), (45, 606349), (69, 395445), (115, 237267), (123, 221835), (205, 133101), (207, 131815), (345, 79089), (369, 73945), (615, 44367), (643, 42435), (943, 28935), (1035, 26363), (1845, 14789), (1929, 14145), (2829, 9645), (3215, 8487), (4715, 5787)]