9972915

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 16851456

約数和(自身を除く): 6878541

約数列:

[1, 3, 5, 15, 23, 69, 115, 137, 211, 345, 411, 633, 685, 1055, 2055, 3151, 3165, 4853, 9453, 14559, 15755, 24265, 28907, 47265, 72795, 86721, 144535, 433605, 664861, 1994583, 3324305, 9972915]

約数ペア:

[(1, 9972915), (3, 3324305), (5, 1994583), (15, 664861), (23, 433605), (69, 144535), (115, 86721), (137, 72795), (211, 47265), (345, 28907), (411, 24265), (633, 15755), (685, 14559), (1055, 9453), (2055, 4853), (3151, 3165)]