26620725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{20879}}^1$

素因数の和:20909

約数の個数: 24

約数和(自身を含む): 46604160

約数和(自身を除く): 19983435

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 20879, 62637, 104395, 313185, 354943, 521975, 1064829, 1565925, 1774715, 5324145, 8873575, 26620725]

約数ペア:

[(1, 26620725), (3, 8873575), (5, 5324145), (15, 1774715), (17, 1565925), (25, 1064829), (51, 521975), (75, 354943), (85, 313185), (255, 104395), (425, 62637), (1275, 20879)]