211760811

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{461}}^1$

素因数の和:633

約数の個数: 40

約数和(自身を含む): 326020464

約数和(自身を除く): 114259653

約数列:

[1, 3, 9, 27, 53, 81, 107, 159, 321, 461, 477, 963, 1383, 1431, 2889, 4149, 4293, 5671, 8667, 12447, 17013, 24433, 37341, 49327, 51039, 73299, 147981, 153117, 219897, 443943, 459351, 659691, 1331829, 1979073, 2614331, 3995487, 7842993, 23528979, 70586937, 211760811]

約数ペア:

[(1, 211760811), (3, 70586937), (9, 23528979), (27, 7842993), (53, 3995487), (81, 2614331), (107, 1979073), (159, 1331829), (321, 659691), (461, 459351), (477, 443943), (963, 219897), (1383, 153117), (1431, 147981), (2889, 73299), (4149, 51039), (4293, 49327), (5671, 37341), (8667, 24433), (12447, 17013)]