2153804571

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{131707}}^1$

素因数の和:131815

約数の個数: 24

約数和(自身を含む): 3287431680

約数和(自身を除く): 1133627109

約数列:

[1, 3, 9, 23, 69, 79, 207, 237, 711, 1817, 5451, 16353, 131707, 395121, 1185363, 3029261, 9087783, 10404853, 27263349, 31214559, 93643677, 239311619, 717934857, 2153804571]

約数ペア:

[(1, 2153804571), (3, 717934857), (9, 239311619), (23, 93643677), (69, 31214559), (79, 27263349), (207, 10404853), (237, 9087783), (711, 3029261), (1817, 1185363), (5451, 395121), (16353, 131707)]