217184421

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{467}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 314496000

約数和(自身を除く): 97311579

約数列:

[1, 3, 19, 41, 57, 123, 199, 467, 597, 779, 1401, 2337, 3781, 8159, 8873, 11343, 19147, 24477, 26619, 57441, 92933, 155021, 278799, 363793, 465063, 1091379, 1765727, 3810253, 5297181, 11430759, 72394807, 217184421]

約数ペア:

[(1, 217184421), (3, 72394807), (19, 11430759), (41, 5297181), (57, 3810253), (123, 1765727), (199, 1091379), (467, 465063), (597, 363793), (779, 278799), (1401, 155021), (2337, 92933), (3781, 57441), (8159, 26619), (8873, 24477), (11343, 19147)]