28043421

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{78553}}^1$

素因数の和:78580

約数の個数: 16

約数和(自身を含む): 45247104

約数和(自身を除く): 17203683

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 78553, 235659, 549871, 1335401, 1649613, 4006203, 9347807, 28043421]

約数ペア:

[(1, 28043421), (3, 9347807), (7, 4006203), (17, 1649613), (21, 1335401), (51, 549871), (119, 235659), (357, 78553)]