27891955

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1039}}^1$

素因数の和:1123

約数の個数: 32

約数和(自身を含む): 41932800

約数和(自身を除く): 14040845

約数列:

[1, 5, 7, 13, 35, 59, 65, 91, 295, 413, 455, 767, 1039, 2065, 3835, 5195, 5369, 7273, 13507, 26845, 36365, 61301, 67535, 94549, 306505, 429107, 472745, 796913, 2145535, 3984565, 5578391, 27891955]

約数ペア:

[(1, 27891955), (5, 5578391), (7, 3984565), (13, 2145535), (35, 796913), (59, 472745), (65, 429107), (91, 306505), (295, 94549), (413, 67535), (455, 61301), (767, 36365), (1039, 26845), (2065, 13507), (3835, 7273), (5195, 5369)]