15663381

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{487}}^1$

素因数の和:712

約数の個数: 16

約数和(自身を含む): 21362688

約数和(自身を除く): 5699307

約数列:

[1, 3, 71, 151, 213, 453, 487, 1461, 10721, 32163, 34577, 73537, 103731, 220611, 5221127, 15663381]

約数ペア:

[(1, 15663381), (3, 5221127), (71, 220611), (151, 103731), (213, 73537), (453, 34577), (487, 32163), (1461, 10721)]