397653255

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{81071}}^1$

素因数の和:81191

約数の個数: 24

約数和(自身を含む): 695597760

約数和(自身を除く): 297944505

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1635, 4905, 81071, 243213, 405355, 729639, 1216065, 3648195, 8836739, 26510217, 44183695, 79530651, 132551085, 397653255]

約数ペア:

[(1, 397653255), (3, 132551085), (5, 79530651), (9, 44183695), (15, 26510217), (45, 8836739), (109, 3648195), (327, 1216065), (545, 729639), (981, 405355), (1635, 243213), (4905, 81071)]