721105623

素因数分解:

$3^2\times 7^1\times {\mathrm{2113}}^1\times {\mathrm{5417}}^1$

素因数の和:7543

約数の個数: 24

約数和(自身を含む): 1191179808

約数和(自身を除く): 470074185

約数列:

[1, 3, 7, 9, 21, 63, 2113, 5417, 6339, 14791, 16251, 19017, 37919, 44373, 48753, 113757, 133119, 341271, 11446121, 34338363, 80122847, 103015089, 240368541, 721105623]

約数ペア:

[(1, 721105623), (3, 240368541), (7, 103015089), (9, 80122847), (21, 34338363), (63, 11446121), (2113, 341271), (5417, 133119), (6339, 113757), (14791, 48753), (16251, 44373), (19017, 37919)]