199417785

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{18439}}^1$

素因数の和:18557

約数の個数: 32

約数和(自身を含む): 368209920

約数和(自身を除く): 168792135

約数列:

[1, 3, 5, 7, 15, 21, 35, 103, 105, 309, 515, 721, 1545, 2163, 3605, 10815, 18439, 55317, 92195, 129073, 276585, 387219, 645365, 1899217, 1936095, 5697651, 9496085, 13294519, 28488255, 39883557, 66472595, 199417785]

約数ペア:

[(1, 199417785), (3, 66472595), (5, 39883557), (7, 28488255), (15, 13294519), (21, 9496085), (35, 5697651), (103, 1936095), (105, 1899217), (309, 645365), (515, 387219), (721, 276585), (1545, 129073), (2163, 92195), (3605, 55317), (10815, 18439)]