213460191

素因数分解:

$3^5\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1873}}^1$

素因数の和:1962

約数の個数: 48

約数和(自身を含む): 371081984

約数和(自身を除く): 157621793

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 81, 189, 201, 243, 469, 567, 603, 1407, 1701, 1809, 1873, 4221, 5427, 5619, 12663, 13111, 16281, 16857, 37989, 39333, 50571, 113967, 117999, 125491, 151713, 353997, 376473, 455139, 878437, 1061991, 1129419, 2635311, 3185973, 3388257, 7905933, 10164771, 23717799, 30494313, 71153397, 213460191]

約数ペア:

[(1, 213460191), (3, 71153397), (7, 30494313), (9, 23717799), (21, 10164771), (27, 7905933), (63, 3388257), (67, 3185973), (81, 2635311), (189, 1129419), (201, 1061991), (243, 878437), (469, 455139), (567, 376473), (603, 353997), (1407, 151713), (1701, 125491), (1809, 117999), (1873, 113967), (4221, 50571), (5427, 39333), (5619, 37989), (12663, 16857), (13111, 16281)]