1215704823921

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{74505413}}^1$

素因数の和:74505470

約数の個数: 36

約数和(自身を含む): 2097923447412

約数和(自身を除く): 882218623491

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 259, 333, 441, 777, 1813, 2331, 5439, 16317, 74505413, 223516239, 521537891, 670548717, 1564613673, 2756700281, 3650765237, 4693841019, 8270100843, 10952295711, 19296901967, 24810302529, 32856887133, 57890705901, 135078313769, 173672117703, 405234941307, 1215704823921]

約数ペア:

[(1, 1215704823921), (3, 405234941307), (7, 173672117703), (9, 135078313769), (21, 57890705901), (37, 32856887133), (49, 24810302529), (63, 19296901967), (111, 10952295711), (147, 8270100843), (259, 4693841019), (333, 3650765237), (441, 2756700281), (777, 1564613673), (1813, 670548717), (2331, 521537891), (5439, 223516239), (16317, 74505413)]