213897117

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{17293}}^1$

素因数の和:17353

約数の個数: 32

約数和(自身を含む): 354181120

約数和(自身を除く): 140284003

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1767, 4123, 12369, 17293, 51879, 121051, 328567, 363153, 536083, 985701, 1608249, 2299969, 3752581, 6899907, 10185577, 11257743, 30556731, 71299039, 213897117]

約数ペア:

[(1, 213897117), (3, 71299039), (7, 30556731), (19, 11257743), (21, 10185577), (31, 6899907), (57, 3752581), (93, 2299969), (133, 1608249), (217, 985701), (399, 536083), (589, 363153), (651, 328567), (1767, 121051), (4123, 51879), (12369, 17293)]