81555804

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{205949}}^1$

素因数の和:205970

約数の個数: 36

約数和(自身を含む): 224897400

約数和(自身を除く): 143341596

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 205949, 411898, 617847, 823796, 1235694, 1853541, 2265439, 2471388, 3707082, 4530878, 6796317, 7414164, 9061756, 13592634, 20388951, 27185268, 40777902, 81555804]

約数ペア:

[(1, 81555804), (2, 40777902), (3, 27185268), (4, 20388951), (6, 13592634), (9, 9061756), (11, 7414164), (12, 6796317), (18, 4530878), (22, 3707082), (33, 2471388), (36, 2265439), (44, 1853541), (66, 1235694), (99, 823796), (132, 617847), (198, 411898), (396, 205949)]