28972437

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 44634240

約数和(自身を除く): 15661803

約数列:

[1, 3, 13, 17, 39, 51, 89, 221, 267, 491, 663, 1157, 1473, 1513, 3471, 4539, 6383, 8347, 19149, 19669, 25041, 43699, 59007, 108511, 131097, 325533, 568087, 742883, 1704261, 2228649, 9657479, 28972437]

約数ペア:

[(1, 28972437), (3, 9657479), (13, 2228649), (17, 1704261), (39, 742883), (51, 568087), (89, 325533), (221, 131097), (267, 108511), (491, 59007), (663, 43699), (1157, 25041), (1473, 19669), (1513, 19149), (3471, 8347), (4539, 6383)]