215052327

素因数分解:

$3^5\times 7^2\times {\mathrm{18061}}^1$

素因数の和:18090

約数の個数: 36

約数和(自身を含む): 374750376

約数和(自身を除く): 159698049

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 1323, 1701, 3969, 11907, 18061, 54183, 126427, 162549, 379281, 487647, 884989, 1137843, 1462941, 2654967, 3413529, 4388823, 7964901, 10240587, 23894703, 30721761, 71684109, 215052327]

約数ペア:

[(1, 215052327), (3, 71684109), (7, 30721761), (9, 23894703), (21, 10240587), (27, 7964901), (49, 4388823), (63, 3413529), (81, 2654967), (147, 1462941), (189, 1137843), (243, 884989), (441, 487647), (567, 379281), (1323, 162549), (1701, 126427), (3969, 54183), (11907, 18061)]