25081815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2141}}^1$

素因数の和:2231

約数の個数: 32

約数和(自身を含む): 44416512

約数和(自身を除く): 19334697

約数列:

[1, 3, 5, 11, 15, 33, 55, 71, 165, 213, 355, 781, 1065, 2141, 2343, 3905, 6423, 10705, 11715, 23551, 32115, 70653, 117755, 152011, 353265, 456033, 760055, 1672121, 2280165, 5016363, 8360605, 25081815]

約数ペア:

[(1, 25081815), (3, 8360605), (5, 5016363), (11, 2280165), (15, 1672121), (33, 760055), (55, 456033), (71, 353265), (165, 152011), (213, 117755), (355, 70653), (781, 32115), (1065, 23551), (2141, 11715), (2343, 10705), (3905, 6423)]