81485187

素因数分解:

$3^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{3671}}^1$

素因数の和:3839

約数の個数: 24

約数和(自身を含む): 127256832

約数和(自身を除く): 45771645

約数列:

[1, 3, 7, 21, 49, 147, 151, 453, 1057, 3171, 3671, 7399, 11013, 22197, 25697, 77091, 179879, 539637, 554321, 1662963, 3880247, 11640741, 27161729, 81485187]

約数ペア:

[(1, 81485187), (3, 27161729), (7, 11640741), (21, 3880247), (49, 1662963), (147, 554321), (151, 539637), (453, 179879), (1057, 77091), (3171, 25697), (3671, 22197), (7399, 11013)]