28270473

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 52088832

約数和(自身を除く): 23818359

約数列:

[1, 3, 7, 11, 17, 21, 23, 33, 51, 69, 77, 119, 161, 187, 231, 253, 313, 357, 391, 483, 561, 759, 939, 1173, 1309, 1771, 2191, 2737, 3443, 3927, 4301, 5313, 5321, 6573, 7199, 8211, 10329, 12903, 15963, 21597, 24101, 30107, 37247, 50393, 58531, 72303, 79189, 90321, 111741, 122383, 151179, 175593, 237567, 367149, 409717, 554323, 856681, 1229151, 1346213, 1662969, 2570043, 4038639, 9423491, 28270473]

約数ペア:

[(1, 28270473), (3, 9423491), (7, 4038639), (11, 2570043), (17, 1662969), (21, 1346213), (23, 1229151), (33, 856681), (51, 554323), (69, 409717), (77, 367149), (119, 237567), (161, 175593), (187, 151179), (231, 122383), (253, 111741), (313, 90321), (357, 79189), (391, 72303), (483, 58531), (561, 50393), (759, 37247), (939, 30107), (1173, 24101), (1309, 21597), (1771, 15963), (2191, 12903), (2737, 10329), (3443, 8211), (3927, 7199), (4301, 6573), (5313, 5321)]