81255204

素因数分解:

$2^2\times 3^3\times {\mathrm{331}}^1\times {\mathrm{2273}}^1$

素因数の和:2617

約数の個数: 48

約数和(自身を含む): 211391040

約数和(自身を除く): 130135836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 331, 662, 993, 1324, 1986, 2273, 2979, 3972, 4546, 5958, 6819, 8937, 9092, 11916, 13638, 17874, 20457, 27276, 35748, 40914, 61371, 81828, 122742, 245484, 752363, 1504726, 2257089, 3009452, 4514178, 6771267, 9028356, 13542534, 20313801, 27085068, 40627602, 81255204]

約数ペア:

[(1, 81255204), (2, 40627602), (3, 27085068), (4, 20313801), (6, 13542534), (9, 9028356), (12, 6771267), (18, 4514178), (27, 3009452), (36, 2257089), (54, 1504726), (108, 752363), (331, 245484), (662, 122742), (993, 81828), (1324, 61371), (1986, 40914), (2273, 35748), (2979, 27276), (3972, 20457), (4546, 17874), (5958, 13638), (6819, 11916), (8937, 9092)]