81055044

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{321647}}^1$

素因数の和:321664

約数の個数: 36

約数和(自身を含む): 234159744

約数和(自身を除く): 153104700

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 321647, 643294, 964941, 1286588, 1929882, 2251529, 2894823, 3859764, 4503058, 5789646, 6754587, 9006116, 11579292, 13509174, 20263761, 27018348, 40527522, 81055044]

約数ペア:

[(1, 81055044), (2, 40527522), (3, 27018348), (4, 20263761), (6, 13509174), (7, 11579292), (9, 9006116), (12, 6754587), (14, 5789646), (18, 4503058), (21, 3859764), (28, 2894823), (36, 2251529), (42, 1929882), (63, 1286588), (84, 964941), (126, 643294), (252, 321647)]