28151103

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 41817600

約数和(自身を除く): 13666497

約数列:

[1, 3, 19, 23, 57, 69, 109, 197, 327, 437, 591, 1311, 2071, 2507, 3743, 4531, 6213, 7521, 11229, 13593, 21473, 47633, 64419, 86089, 142899, 258267, 407987, 493879, 1223961, 1481637, 9383701, 28151103]

約数ペア:

[(1, 28151103), (3, 9383701), (19, 1481637), (23, 1223961), (57, 493879), (69, 407987), (109, 258267), (197, 142899), (327, 86089), (437, 64419), (591, 47633), (1311, 21473), (2071, 13593), (2507, 11229), (3743, 7521), (4531, 6213)]