28896651

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{26981}}^1$

素因数の和:27011

約数の個数: 24

約数和(自身を含む): 50510304

約数和(自身を除く): 21613653

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 26981, 80943, 188867, 242829, 458677, 566601, 1376031, 1699803, 3210739, 4128093, 9632217, 28896651]

約数ペア:

[(1, 28896651), (3, 9632217), (7, 4128093), (9, 3210739), (17, 1699803), (21, 1376031), (51, 566601), (63, 458677), (119, 242829), (153, 188867), (357, 80943), (1071, 26981)]