81075852

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15749}}^1$

素因数の和:15783

約数の個数: 72

約数和(自身を含む): 240786000

約数和(自身を除く): 159710148

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 5148, 15749, 31498, 47247, 62996, 94494, 141741, 173239, 188988, 204737, 283482, 346478, 409474, 519717, 566964, 614211, 692956, 818948, 1039434, 1228422, 1559151, 1842633, 2078868, 2252107, 2456844, 3118302, 3685266, 4504214, 6236604, 6756321, 7370532, 9008428, 13512642, 20268963, 27025284, 40537926, 81075852]

約数ペア:

[(1, 81075852), (2, 40537926), (3, 27025284), (4, 20268963), (6, 13512642), (9, 9008428), (11, 7370532), (12, 6756321), (13, 6236604), (18, 4504214), (22, 3685266), (26, 3118302), (33, 2456844), (36, 2252107), (39, 2078868), (44, 1842633), (52, 1559151), (66, 1228422), (78, 1039434), (99, 818948), (117, 692956), (132, 614211), (143, 566964), (156, 519717), (198, 409474), (234, 346478), (286, 283482), (396, 204737), (429, 188988), (468, 173239), (572, 141741), (858, 94494), (1287, 62996), (1716, 47247), (2574, 31498), (5148, 15749)]