279389169

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1481}}^1$

素因数の和:1647

約数の個数: 40

約数和(自身を含む): 445435848

約数和(自身を除く): 166046679

約数列:

[1, 3, 9, 17, 27, 51, 81, 137, 153, 411, 459, 1233, 1377, 1481, 2329, 3699, 4443, 6987, 11097, 13329, 20961, 25177, 39987, 62883, 75531, 119961, 188649, 202897, 226593, 608691, 679779, 1826073, 2039337, 3449249, 5478219, 10347747, 16434657, 31043241, 93129723, 279389169]

約数ペア:

[(1, 279389169), (3, 93129723), (9, 31043241), (17, 16434657), (27, 10347747), (51, 5478219), (81, 3449249), (137, 2039337), (153, 1826073), (411, 679779), (459, 608691), (1233, 226593), (1377, 202897), (1481, 188649), (2329, 119961), (3699, 75531), (4443, 62883), (6987, 39987), (11097, 25177), (13329, 20961)]