26991285

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 44416512

約数和(自身を除く): 17425227

約数列:

[1, 3, 5, 15, 67, 107, 201, 251, 321, 335, 535, 753, 1005, 1255, 1605, 3765, 7169, 16817, 21507, 26857, 35845, 50451, 80571, 84085, 107535, 134285, 252255, 402855, 1799419, 5398257, 8997095, 26991285]

約数ペア:

[(1, 26991285), (3, 8997095), (5, 5398257), (15, 1799419), (67, 402855), (107, 252255), (201, 134285), (251, 107535), (321, 84085), (335, 80571), (535, 50451), (753, 35845), (1005, 26857), (1255, 21507), (1605, 16817), (3765, 7169)]