220655421

素因数分解:

$3^5\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1777}}^1$

素因数の和:1872

約数の個数: 48

約数和(自身を含む): 383137664

約数和(自身を除く): 162482243

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 81, 189, 219, 243, 511, 567, 657, 1533, 1701, 1777, 1971, 4599, 5331, 5913, 12439, 13797, 15993, 17739, 37317, 41391, 47979, 111951, 124173, 129721, 143937, 335853, 389163, 431811, 908047, 1007559, 1167489, 2724141, 3022677, 3502467, 8172423, 10507401, 24517269, 31522203, 73551807, 220655421]

約数ペア:

[(1, 220655421), (3, 73551807), (7, 31522203), (9, 24517269), (21, 10507401), (27, 8172423), (63, 3502467), (73, 3022677), (81, 2724141), (189, 1167489), (219, 1007559), (243, 908047), (511, 431811), (567, 389163), (657, 335853), (1533, 143937), (1701, 129721), (1777, 124173), (1971, 111951), (4599, 47979), (5331, 41391), (5913, 37317), (12439, 17739), (13797, 15993)]