15801381

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{743}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 24373440

約数和(自身を除く): 8572059

約数列:

[1, 3, 9, 17, 51, 139, 153, 417, 743, 1251, 2229, 2363, 6687, 7089, 12631, 21267, 37893, 103277, 113679, 309831, 929493, 1755709, 5267127, 15801381]

約数ペア:

[(1, 15801381), (3, 5267127), (9, 1755709), (17, 929493), (51, 309831), (139, 113679), (153, 103277), (417, 37893), (743, 21267), (1251, 12631), (2229, 7089), (2363, 6687)]