221364213

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{281}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 361086336

約数和(自身を除く): 139722123

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 233, 281, 483, 699, 843, 1127, 1631, 1967, 3381, 4893, 5359, 5901, 6463, 11417, 13769, 16077, 19389, 34251, 37513, 41307, 45241, 65473, 112539, 135723, 196419, 262591, 316687, 458311, 787773, 950061, 1374933, 1505879, 3208177, 4517637, 9624531, 10541153, 31623459, 73788071, 221364213]

約数ペア:

[(1, 221364213), (3, 73788071), (7, 31623459), (21, 10541153), (23, 9624531), (49, 4517637), (69, 3208177), (147, 1505879), (161, 1374933), (233, 950061), (281, 787773), (483, 458311), (699, 316687), (843, 262591), (1127, 196419), (1631, 135723), (1967, 112539), (3381, 65473), (4893, 45241), (5359, 41307), (5901, 37513), (6463, 34251), (11417, 19389), (13769, 16077)]