2450259

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 4492800

約数和(自身を除く): 2042541

約数列:

[1, 3, 7, 9, 19, 21, 23, 57, 63, 69, 89, 133, 161, 171, 207, 267, 399, 437, 483, 623, 801, 1197, 1311, 1449, 1691, 1869, 2047, 3059, 3933, 5073, 5607, 6141, 9177, 11837, 14329, 15219, 18423, 27531, 35511, 38893, 42987, 106533, 116679, 128961, 272251, 350037, 816753, 2450259]

約数ペア:

[(1, 2450259), (3, 816753), (7, 350037), (9, 272251), (19, 128961), (21, 116679), (23, 106533), (57, 42987), (63, 38893), (69, 35511), (89, 27531), (133, 18423), (161, 15219), (171, 14329), (207, 11837), (267, 9177), (399, 6141), (437, 5607), (483, 5073), (623, 3933), (801, 3059), (1197, 2047), (1311, 1869), (1449, 1691)]