28663921

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{907}}^1$

素因数の和:961

約数の個数: 24

約数和(自身を含む): 35891424

約数和(自身を除く): 7227503

約数列:

[1, 11, 13, 17, 143, 169, 187, 221, 907, 1859, 2431, 2873, 9977, 11791, 15419, 31603, 129701, 153283, 169609, 200447, 1686113, 2204917, 2605811, 28663921]

約数ペア:

[(1, 28663921), (11, 2605811), (13, 2204917), (17, 1686113), (143, 200447), (169, 169609), (187, 153283), (221, 129701), (907, 31603), (1859, 15419), (2431, 11791), (2873, 9977)]