288561

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1$

素因数の和:181

約数の個数: 24

約数和(自身を含む): 485184

約数和(自身を除く): 196623

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 151, 273, 453, 637, 1057, 1911, 1963, 3171, 5889, 7399, 13741, 22197, 41223, 96187, 288561]

約数ペア:

[(1, 288561), (3, 96187), (7, 41223), (13, 22197), (21, 13741), (39, 7399), (49, 5889), (91, 3171), (147, 1963), (151, 1911), (273, 1057), (453, 637)]