121890339

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{79201}}^1$

素因数の和:79232

約数の個数: 20

約数和(自身を含む): 191668840

約数和(自身を除く): 69778501

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 79201, 237603, 712809, 1504819, 2138427, 4514457, 6415281, 13543371, 40630113, 121890339]

約数ペア:

[(1, 121890339), (3, 40630113), (9, 13543371), (19, 6415281), (27, 4514457), (57, 2138427), (81, 1504819), (171, 712809), (513, 237603), (1539, 79201)]