28009863

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{26153}}^1$

素因数の和:26183

約数の個数: 24

約数和(自身を含む): 48960288

約数和(自身を除く): 20950425

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 26153, 78459, 183071, 235377, 444601, 549213, 1333803, 1647639, 3112207, 4001409, 9336621, 28009863]

約数ペア:

[(1, 28009863), (3, 9336621), (7, 4001409), (9, 3112207), (17, 1647639), (21, 1333803), (51, 549213), (63, 444601), (119, 235377), (153, 183071), (357, 78459), (1071, 26153)]