27707985

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1409}}^1$

素因数の和:1462

約数の個数: 48

約数和(自身を含む): 52790400

約数和(自身を除く): 25082415

約数列:

[1, 3, 5, 9, 15, 19, 23, 45, 57, 69, 95, 115, 171, 207, 285, 345, 437, 855, 1035, 1311, 1409, 2185, 3933, 4227, 6555, 7045, 12681, 19665, 21135, 26771, 32407, 63405, 80313, 97221, 133855, 162035, 240939, 291663, 401565, 486105, 615733, 1204695, 1458315, 1847199, 3078665, 5541597, 9235995, 27707985]

約数ペア:

[(1, 27707985), (3, 9235995), (5, 5541597), (9, 3078665), (15, 1847199), (19, 1458315), (23, 1204695), (45, 615733), (57, 486105), (69, 401565), (95, 291663), (115, 240939), (171, 162035), (207, 133855), (285, 97221), (345, 80313), (437, 63405), (855, 32407), (1035, 26771), (1311, 21135), (1409, 19665), (2185, 12681), (3933, 7045), (4227, 6555)]