81209562

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{281}}^1\times {\mathrm{983}}^1$

素因数の和:1283

約数の個数: 48

約数和(自身を含む): 189801792

約数和(自身を除く): 108592230

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 281, 294, 562, 843, 983, 1686, 1966, 1967, 2949, 3934, 5898, 5901, 6881, 11802, 13762, 13769, 20643, 27538, 41286, 41307, 48167, 82614, 96334, 144501, 276223, 289002, 552446, 828669, 1657338, 1933561, 3867122, 5800683, 11601366, 13534927, 27069854, 40604781, 81209562]

約数ペア:

[(1, 81209562), (2, 40604781), (3, 27069854), (6, 13534927), (7, 11601366), (14, 5800683), (21, 3867122), (42, 1933561), (49, 1657338), (98, 828669), (147, 552446), (281, 289002), (294, 276223), (562, 144501), (843, 96334), (983, 82614), (1686, 48167), (1966, 41307), (1967, 41286), (2949, 27538), (3934, 20643), (5898, 13769), (5901, 13762), (6881, 11802)]