261931677

素因数分解:

$3^1\times 7^1\times {\mathrm{947}}^1\times {\mathrm{13171}}^1$

素因数の和:14128

約数の個数: 16

約数和(自身を含む): 399585792

約数和(自身を除く): 137654115

約数列:

[1, 3, 7, 21, 947, 2841, 6629, 13171, 19887, 39513, 92197, 276591, 12472937, 37418811, 87310559, 261931677]

約数ペア:

[(1, 261931677), (3, 87310559), (7, 37418811), (21, 12472937), (947, 276591), (2841, 92197), (6629, 39513), (13171, 19887)]