81727506

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{648631}}^1$

素因数の和:648646

約数の個数: 24

約数和(自身を含む): 202373184

約数和(自身を除く): 120645678

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 648631, 1297262, 1945893, 3891786, 4540417, 5837679, 9080834, 11675358, 13621251, 27242502, 40863753, 81727506]

約数ペア:

[(1, 81727506), (2, 40863753), (3, 27242502), (6, 13621251), (7, 11675358), (9, 9080834), (14, 5837679), (18, 4540417), (21, 3891786), (42, 1945893), (63, 1297262), (126, 648631)]