1620729

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:147

約数の個数: 40

約数和(自身を含む): 2822688

約数和(自身を除く): 1201959

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 81, 99, 107, 153, 187, 297, 321, 459, 561, 891, 963, 1177, 1377, 1683, 1819, 2889, 3531, 5049, 5457, 8667, 10593, 15147, 16371, 20009, 31779, 49113, 60027, 95337, 147339, 180081, 540243, 1620729]

約数ペア:

[(1, 1620729), (3, 540243), (9, 180081), (11, 147339), (17, 95337), (27, 60027), (33, 49113), (51, 31779), (81, 20009), (99, 16371), (107, 15147), (153, 10593), (187, 8667), (297, 5457), (321, 5049), (459, 3531), (561, 2889), (891, 1819), (963, 1683), (1177, 1377)]