81863397

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{10739}}^1$

素因数の和:10774

約数の個数: 36

約数和(自身を含む): 148555680

約数和(自身を除く): 66692283

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 121, 231, 363, 693, 847, 1089, 2541, 7623, 10739, 32217, 75173, 96651, 118129, 225519, 354387, 676557, 826903, 1063161, 1299419, 2480709, 3898257, 7442127, 9095933, 11694771, 27287799, 81863397]

約数ペア:

[(1, 81863397), (3, 27287799), (7, 11694771), (9, 9095933), (11, 7442127), (21, 3898257), (33, 2480709), (63, 1299419), (77, 1063161), (99, 826903), (121, 676557), (231, 354387), (363, 225519), (693, 118129), (847, 96651), (1089, 75173), (2541, 32217), (7623, 10739)]