28088847

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{401}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 41849808

約数和(自身を除く): 13760961

約数列:

[1, 3, 9, 43, 129, 181, 387, 401, 543, 1203, 1629, 3609, 7783, 17243, 23349, 51729, 70047, 72581, 155187, 217743, 653229, 3120983, 9362949, 28088847]

約数ペア:

[(1, 28088847), (3, 9362949), (9, 3120983), (43, 653229), (129, 217743), (181, 155187), (387, 72581), (401, 70047), (543, 51729), (1203, 23349), (1629, 17243), (3609, 7783)]