12191739

素因数分解:

$3^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 19050768

約数和(自身を除く): 6859029

約数列:

[1, 3, 7, 21, 49, 147, 197, 421, 591, 1263, 1379, 2947, 4137, 8841, 9653, 20629, 28959, 61887, 82937, 248811, 580559, 1741677, 4063913, 12191739]

約数ペア:

[(1, 12191739), (3, 4063913), (7, 1741677), (21, 580559), (49, 248811), (147, 82937), (197, 61887), (421, 28959), (591, 20629), (1263, 9653), (1379, 8841), (2947, 4137)]