222977853

素因数分解:

$3^4\times 7^1\times {\mathrm{479}}^1\times {\mathrm{821}}^1$

素因数の和:1319

約数の個数: 40

約数和(自身を含む): 381934080

約数和(自身を除く): 158956227

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 479, 567, 821, 1437, 2463, 3353, 4311, 5747, 7389, 10059, 12933, 17241, 22167, 30177, 38799, 51723, 66501, 90531, 155169, 271593, 393259, 465507, 1179777, 2752813, 3539331, 8258439, 10617993, 24775317, 31853979, 74325951, 222977853]

約数ペア:

[(1, 222977853), (3, 74325951), (7, 31853979), (9, 24775317), (21, 10617993), (27, 8258439), (63, 3539331), (81, 2752813), (189, 1179777), (479, 465507), (567, 393259), (821, 271593), (1437, 155169), (2463, 90531), (3353, 66501), (4311, 51723), (5747, 38799), (7389, 30177), (10059, 22167), (12933, 17241)]