81740106

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{648731}}^1$

素因数の和:648746

約数の個数: 24

約数和(自身を含む): 202404384

約数和(自身を除く): 120664278

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 648731, 1297462, 1946193, 3892386, 4541117, 5838579, 9082234, 11677158, 13623351, 27246702, 40870053, 81740106]

約数ペア:

[(1, 81740106), (2, 40870053), (3, 27246702), (6, 13623351), (7, 11677158), (9, 9082234), (14, 5838579), (18, 4541117), (21, 3892386), (42, 1946193), (63, 1297462), (126, 648731)]