861714

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{977}}^1$

素因数の和:999

約数の個数: 36

約数和(自身を含む): 2174094

約数和(自身を除く): 1312380

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 977, 1954, 2931, 5862, 6839, 8793, 13678, 17586, 20517, 41034, 47873, 61551, 95746, 123102, 143619, 287238, 430857, 861714]

約数ペア:

[(1, 861714), (2, 430857), (3, 287238), (6, 143619), (7, 123102), (9, 95746), (14, 61551), (18, 47873), (21, 41034), (42, 20517), (49, 17586), (63, 13678), (98, 8793), (126, 6839), (147, 5862), (294, 2931), (441, 1954), (882, 977)]