1630818

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{43}}^2$

素因数の和:108

約数の個数: 54

約数和(自身を含む): 4208139

約数和(自身を除く): 2577321

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 49, 63, 86, 98, 126, 129, 147, 258, 294, 301, 387, 441, 602, 774, 882, 903, 1806, 1849, 2107, 2709, 3698, 4214, 5418, 5547, 6321, 11094, 12642, 12943, 16641, 18963, 25886, 33282, 37926, 38829, 77658, 90601, 116487, 181202, 232974, 271803, 543606, 815409, 1630818]

約数ペア:

[(1, 1630818), (2, 815409), (3, 543606), (6, 271803), (7, 232974), (9, 181202), (14, 116487), (18, 90601), (21, 77658), (42, 38829), (43, 37926), (49, 33282), (63, 25886), (86, 18963), (98, 16641), (126, 12943), (129, 12642), (147, 11094), (258, 6321), (294, 5547), (301, 5418), (387, 4214), (441, 3698), (602, 2709), (774, 2107), (882, 1849), (903, 1806)]