990486

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{1123}}^1$

素因数の和:1145

約数の個数: 36

約数和(自身を含む): 2498652

約数和(自身を除く): 1508166

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 1123, 2246, 3369, 6738, 7861, 10107, 15722, 20214, 23583, 47166, 55027, 70749, 110054, 141498, 165081, 330162, 495243, 990486]

約数ペア:

[(1, 990486), (2, 495243), (3, 330162), (6, 165081), (7, 141498), (9, 110054), (14, 70749), (18, 55027), (21, 47166), (42, 23583), (49, 20214), (63, 15722), (98, 10107), (126, 7861), (147, 6738), (294, 3369), (441, 2246), (882, 1123)]