221350605

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 414855168

約数和(自身を除く): 193504563

約数列:

[1, 3, 5, 7, 15, 21, 35, 97, 103, 105, 211, 291, 309, 485, 515, 633, 679, 721, 1055, 1455, 1477, 1545, 2037, 2163, 3165, 3395, 3605, 4431, 7385, 9991, 10185, 10815, 20467, 21733, 22155, 29973, 49955, 61401, 65199, 69937, 102335, 108665, 143269, 149865, 152131, 209811, 307005, 325995, 349685, 429807, 456393, 716345, 760655, 1049055, 2108101, 2149035, 2281965, 6324303, 10540505, 14756707, 31621515, 44270121, 73783535, 221350605]

約数ペア:

[(1, 221350605), (3, 73783535), (5, 44270121), (7, 31621515), (15, 14756707), (21, 10540505), (35, 6324303), (97, 2281965), (103, 2149035), (105, 2108101), (211, 1049055), (291, 760655), (309, 716345), (485, 456393), (515, 429807), (633, 349685), (679, 325995), (721, 307005), (1055, 209811), (1455, 152131), (1477, 149865), (1545, 143269), (2037, 108665), (2163, 102335), (3165, 69937), (3395, 65199), (3605, 61401), (4431, 49955), (7385, 29973), (9991, 22155), (10185, 21733), (10815, 20467)]