28438137

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2671}}^1$

素因数の和:2710

約数の個数: 36

約数和(自身を含む): 50853504

約数和(自身を除く): 22415367

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 169, 273, 507, 819, 1183, 1521, 2671, 3549, 8013, 10647, 18697, 24039, 34723, 56091, 104169, 168273, 243061, 312507, 451399, 729183, 1354197, 2187549, 3159793, 4062591, 9479379, 28438137]

約数ペア:

[(1, 28438137), (3, 9479379), (7, 4062591), (9, 3159793), (13, 2187549), (21, 1354197), (39, 729183), (63, 451399), (91, 312507), (117, 243061), (169, 168273), (273, 104169), (507, 56091), (819, 34723), (1183, 24039), (1521, 18697), (2671, 10647), (3549, 8013)]