28854207

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{241}}^1\times {\mathrm{251}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 42810768

約数和(自身を除く): 13956561

約数列:

[1, 3, 9, 53, 159, 241, 251, 477, 723, 753, 2169, 2259, 12773, 13303, 38319, 39909, 60491, 114957, 119727, 181473, 544419, 3206023, 9618069, 28854207]

約数ペア:

[(1, 28854207), (3, 9618069), (9, 3206023), (53, 544419), (159, 181473), (241, 119727), (251, 114957), (477, 60491), (723, 39909), (753, 38319), (2169, 13303), (2259, 12773)]