81920163

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 120911616

約数和(自身を除く): 38991453

約数列:

[1, 3, 13, 39, 67, 107, 201, 293, 321, 871, 879, 1391, 2613, 3809, 4173, 7169, 11427, 19631, 21507, 31351, 58893, 93197, 94053, 255203, 279591, 407563, 765609, 1222689, 2100517, 6301551, 27306721, 81920163]

約数ペア:

[(1, 81920163), (3, 27306721), (13, 6301551), (39, 2100517), (67, 1222689), (107, 765609), (201, 407563), (293, 279591), (321, 255203), (871, 94053), (879, 93197), (1391, 58893), (2613, 31351), (3809, 21507), (4173, 19631), (7169, 11427)]