199453947

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{18371}}^1$

素因数の和:18439

約数の個数: 32

約数和(自身を含む): 338632704

約数和(自身を除く): 139178757

約数列:

[1, 3, 7, 11, 21, 33, 47, 77, 141, 231, 329, 517, 987, 1551, 3619, 10857, 18371, 55113, 128597, 202081, 385791, 606243, 863437, 1414567, 2590311, 4243701, 6044059, 9497807, 18132177, 28493421, 66484649, 199453947]

約数ペア:

[(1, 199453947), (3, 66484649), (7, 28493421), (11, 18132177), (21, 9497807), (33, 6044059), (47, 4243701), (77, 2590311), (141, 1414567), (231, 863437), (329, 606243), (517, 385791), (987, 202081), (1551, 128597), (3619, 55113), (10857, 18371)]