28722237

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{4201}}^1$

素因数の和:4300

約数の個数: 16

約数和(自身を含む): 39935808

約数和(自身を除く): 11213571

約数列:

[1, 3, 43, 53, 129, 159, 2279, 4201, 6837, 12603, 180643, 222653, 541929, 667959, 9574079, 28722237]

約数ペア:

[(1, 28722237), (3, 9574079), (43, 667959), (53, 541929), (129, 222653), (159, 180643), (2279, 12603), (4201, 6837)]