15978081

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 25159680

約数和(自身を除く): 9181599

約数列:

[1, 3, 7, 21, 83, 89, 103, 249, 267, 309, 581, 623, 721, 1743, 1869, 2163, 7387, 8549, 9167, 22161, 25647, 27501, 51709, 59843, 64169, 155127, 179529, 192507, 760861, 2282583, 5326027, 15978081]

約数ペア:

[(1, 15978081), (3, 5326027), (7, 2282583), (21, 760861), (83, 192507), (89, 179529), (103, 155127), (249, 64169), (267, 59843), (309, 51709), (581, 27501), (623, 25647), (721, 22161), (1743, 9167), (1869, 8549), (2163, 7387)]