261153195

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{1913}}^1$

素因数の和:2419

約数の個数: 32

約数和(自身を含む): 440985600

約数和(自身を除く): 179832405

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 479, 1437, 1913, 2395, 5739, 7185, 9101, 9565, 27303, 28695, 36347, 45505, 109041, 136515, 181735, 545205, 916327, 2748981, 4581635, 13744905, 17410213, 52230639, 87051065, 261153195]

約数ペア:

[(1, 261153195), (3, 87051065), (5, 52230639), (15, 17410213), (19, 13744905), (57, 4581635), (95, 2748981), (285, 916327), (479, 545205), (1437, 181735), (1913, 136515), (2395, 109041), (5739, 45505), (7185, 36347), (9101, 28695), (9565, 27303)]