15613255

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 22284288

約数和(自身を除く): 6671033

約数列:

[1, 5, 7, 35, 61, 71, 103, 305, 355, 427, 497, 515, 721, 2135, 2485, 3605, 4331, 6283, 7313, 21655, 30317, 31415, 36565, 43981, 51191, 151585, 219905, 255955, 446093, 2230465, 3122651, 15613255]

約数ペア:

[(1, 15613255), (5, 3122651), (7, 2230465), (35, 446093), (61, 255955), (71, 219905), (103, 151585), (305, 51191), (355, 43981), (427, 36565), (497, 31415), (515, 30317), (721, 21655), (2135, 7313), (2485, 6283), (3605, 4331)]