389614779

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1223}}^1$

素因数の和:1283

約数の個数: 56

約数和(自身を含む): 642159360

約数和(自身を除く): 252544581

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 81, 171, 207, 243, 437, 513, 621, 729, 1223, 1311, 1539, 1863, 3669, 3933, 4617, 5589, 11007, 11799, 13851, 16767, 23237, 28129, 33021, 35397, 69711, 84387, 99063, 106191, 209133, 253161, 297189, 318573, 534451, 627399, 759483, 891567, 1603353, 1882197, 2278449, 4810059, 5646591, 6835347, 14430177, 16939773, 20506041, 43290531, 129871593, 389614779]

約数ペア:

[(1, 389614779), (3, 129871593), (9, 43290531), (19, 20506041), (23, 16939773), (27, 14430177), (57, 6835347), (69, 5646591), (81, 4810059), (171, 2278449), (207, 1882197), (243, 1603353), (437, 891567), (513, 759483), (621, 627399), (729, 534451), (1223, 318573), (1311, 297189), (1539, 253161), (1863, 209133), (3669, 106191), (3933, 99063), (4617, 84387), (5589, 69711), (11007, 35397), (11799, 33021), (13851, 28129), (16767, 23237)]