2820627579

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{751}}^1$

素因数の和:1072

約数の個数: 64

約数和(自身を含む): 4781998080

約数和(自身を除く): 1961370501

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 213, 229, 231, 497, 687, 751, 781, 1491, 1603, 2253, 2343, 2519, 4809, 5257, 5467, 7557, 8261, 15771, 16259, 16401, 17633, 24783, 48777, 52899, 53321, 57827, 113813, 159963, 171979, 173481, 178849, 341439, 373247, 515937, 536547, 586531, 1119741, 1203853, 1251943, 1759593, 1891769, 3611559, 3755829, 4105717, 5675307, 12210509, 12317151, 13242383, 36631527, 39727149, 85473563, 134315599, 256420689, 402946797, 940209193, 2820627579]

約数ペア:

[(1, 2820627579), (3, 940209193), (7, 402946797), (11, 256420689), (21, 134315599), (33, 85473563), (71, 39727149), (77, 36631527), (213, 13242383), (229, 12317151), (231, 12210509), (497, 5675307), (687, 4105717), (751, 3755829), (781, 3611559), (1491, 1891769), (1603, 1759593), (2253, 1251943), (2343, 1203853), (2519, 1119741), (4809, 586531), (5257, 536547), (5467, 515937), (7557, 373247), (8261, 341439), (15771, 178849), (16259, 173481), (16401, 171979), (17633, 159963), (24783, 113813), (48777, 57827), (52899, 53321)]