81266619

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{601}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 127604736

約数和(自身を除く): 46338117

約数列:

[1, 3, 7, 21, 47, 137, 141, 329, 411, 601, 959, 987, 1803, 2877, 4207, 6439, 12621, 19317, 28247, 45073, 82337, 84741, 135219, 197729, 247011, 576359, 593187, 1729077, 3869839, 11609517, 27088873, 81266619]

約数ペア:

[(1, 81266619), (3, 27088873), (7, 11609517), (21, 3869839), (47, 1729077), (137, 593187), (141, 576359), (329, 247011), (411, 197729), (601, 135219), (959, 84741), (987, 82337), (1803, 45073), (2877, 28247), (4207, 19317), (6439, 12621)]