564921

素因数分解:

$3^3\times 7^3\times {\mathrm{61}}^1$

素因数の和:91

約数の個数: 32

約数和(自身を含む): 992000

約数和(自身を除く): 427079

約数列:

[1, 3, 7, 9, 21, 27, 49, 61, 63, 147, 183, 189, 343, 427, 441, 549, 1029, 1281, 1323, 1647, 2989, 3087, 3843, 8967, 9261, 11529, 20923, 26901, 62769, 80703, 188307, 564921]

約数ペア:

[(1, 564921), (3, 188307), (7, 80703), (9, 62769), (21, 26901), (27, 20923), (49, 11529), (61, 9261), (63, 8967), (147, 3843), (183, 3087), (189, 2989), (343, 1647), (427, 1323), (441, 1281), (549, 1029)]