320457195

素因数分解:

$3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{18691}}^1$

素因数の和:18832

約数の個数: 32

約数和(自身を含む): 574218240

約数和(自身を除く): 253761045

約数列:

[1, 3, 5, 9, 15, 27, 45, 127, 135, 381, 635, 1143, 1905, 3429, 5715, 17145, 18691, 56073, 93455, 168219, 280365, 504657, 841095, 2373757, 2523285, 7121271, 11868785, 21363813, 35606355, 64091439, 106819065, 320457195]

約数ペア:

[(1, 320457195), (3, 106819065), (5, 64091439), (9, 35606355), (15, 21363813), (27, 11868785), (45, 7121271), (127, 2523285), (135, 2373757), (381, 841095), (635, 504657), (1143, 280365), (1905, 168219), (3429, 93455), (5715, 56073), (17145, 18691)]