282971997

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21491}}^1$

素因数の和:21534

約数の個数: 48

約数和(自身を含む): 536440320

約数和(自身を除く): 253468323

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 77, 99, 133, 171, 209, 231, 399, 627, 693, 1197, 1463, 1881, 4389, 13167, 21491, 64473, 150437, 193419, 236401, 408329, 451311, 709203, 1224987, 1353933, 1654807, 2127609, 2858303, 3674961, 4491619, 4964421, 8574909, 13474857, 14893263, 25724727, 31441333, 40424571, 94323999, 282971997]

約数ペア:

[(1, 282971997), (3, 94323999), (7, 40424571), (9, 31441333), (11, 25724727), (19, 14893263), (21, 13474857), (33, 8574909), (57, 4964421), (63, 4491619), (77, 3674961), (99, 2858303), (133, 2127609), (171, 1654807), (209, 1353933), (231, 1224987), (399, 709203), (627, 451311), (693, 408329), (1197, 236401), (1463, 193419), (1881, 150437), (4389, 64473), (13167, 21491)]