28668831

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 41361408

約数和(自身を除く): 12692577

約数列:

[1, 3, 31, 43, 67, 93, 107, 129, 201, 321, 1333, 2077, 2881, 3317, 3999, 4601, 6231, 7169, 8643, 9951, 13803, 21507, 89311, 142631, 222239, 267933, 308267, 427893, 666717, 924801, 9556277, 28668831]

約数ペア:

[(1, 28668831), (3, 9556277), (31, 924801), (43, 666717), (67, 427893), (93, 308267), (107, 267933), (129, 222239), (201, 142631), (321, 89311), (1333, 21507), (2077, 13803), (2881, 9951), (3317, 8643), (3999, 7169), (4601, 6231)]