28400571

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{28429}}^1$

素因数の和:28475

約数の個数: 16

約数和(自身を含む): 43213600

約数和(自身を除く): 14813029

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 28429, 85287, 255861, 767583, 1051873, 3155619, 9466857, 28400571]

約数ペア:

[(1, 28400571), (3, 9466857), (9, 3155619), (27, 1051873), (37, 767583), (111, 255861), (333, 85287), (999, 28429)]