390726

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{443}}^1$

素因数の和:465

約数の個数: 36

約数和(自身を含む): 987012

約数和(自身を除く): 596286

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 443, 882, 886, 1329, 2658, 3101, 3987, 6202, 7974, 9303, 18606, 21707, 27909, 43414, 55818, 65121, 130242, 195363, 390726]

約数ペア:

[(1, 390726), (2, 195363), (3, 130242), (6, 65121), (7, 55818), (9, 43414), (14, 27909), (18, 21707), (21, 18606), (42, 9303), (49, 7974), (63, 6202), (98, 3987), (126, 3101), (147, 2658), (294, 1329), (441, 886), (443, 882)]