27963918

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{21881}}^1$

素因数の和:21960

約数の個数: 24

約数和(自身を含む): 61444656

約数和(自身を除く): 33480738

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 21881, 43762, 65643, 131286, 196929, 393858, 1553551, 3107102, 4660653, 9321306, 13981959, 27963918]

約数ペア:

[(1, 27963918), (2, 13981959), (3, 9321306), (6, 4660653), (9, 3107102), (18, 1553551), (71, 393858), (142, 196929), (213, 131286), (426, 65643), (639, 43762), (1278, 21881)]