25131561

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{13151}}^1$

素因数の和:13181

約数の個数: 24

約数和(自身を含む): 41981184

約数和(自身を除く): 16849623

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 13151, 39453, 92057, 170963, 276171, 512889, 644399, 1196741, 1933197, 3590223, 8377187, 25131561]

約数ペア:

[(1, 25131561), (3, 8377187), (7, 3590223), (13, 1933197), (21, 1196741), (39, 644399), (49, 512889), (91, 276171), (147, 170963), (273, 92057), (637, 39453), (1911, 13151)]