28754397

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{4519}}^1$

素因数の和:4633

約数の個数: 24

約数和(自身を含む): 47948160

約数和(自身を除く): 19193763

約数列:

[1, 3, 7, 9, 21, 63, 101, 303, 707, 909, 2121, 4519, 6363, 13557, 31633, 40671, 94899, 284697, 456419, 1369257, 3194933, 4107771, 9584799, 28754397]

約数ペア:

[(1, 28754397), (3, 9584799), (7, 4107771), (9, 3194933), (21, 1369257), (63, 456419), (101, 284697), (303, 94899), (707, 40671), (909, 31633), (2121, 13557), (4519, 6363)]