2650557

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:122

約数の個数: 48

約数和(自身を含む): 4724160

約数和(自身を除く): 2073603

約数列:

[1, 3, 7, 13, 19, 21, 39, 49, 57, 73, 91, 133, 147, 219, 247, 273, 399, 511, 637, 741, 931, 949, 1387, 1533, 1729, 1911, 2793, 2847, 3577, 4161, 5187, 6643, 9709, 10731, 12103, 18031, 19929, 29127, 36309, 46501, 54093, 67963, 126217, 139503, 203889, 378651, 883519, 2650557]

約数ペア:

[(1, 2650557), (3, 883519), (7, 378651), (13, 203889), (19, 139503), (21, 126217), (39, 67963), (49, 54093), (57, 46501), (73, 36309), (91, 29127), (133, 19929), (147, 18031), (219, 12103), (247, 10731), (273, 9709), (399, 6643), (511, 5187), (637, 4161), (741, 3577), (931, 2847), (949, 2793), (1387, 1911), (1533, 1729)]