81609451

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 112285440

約数和(自身を除く): 30675989

約数列:

[1, 7, 11, 23, 29, 49, 77, 161, 203, 227, 253, 319, 539, 667, 1127, 1421, 1589, 1771, 2233, 2497, 4669, 5221, 6583, 7337, 11123, 12397, 15631, 17479, 32683, 36547, 46081, 51359, 57431, 72413, 122353, 151409, 255829, 322567, 359513, 402017, 506891, 1059863, 1665499, 2814119, 3548237, 7419041, 11658493, 81609451]

約数ペア:

[(1, 81609451), (7, 11658493), (11, 7419041), (23, 3548237), (29, 2814119), (49, 1665499), (77, 1059863), (161, 506891), (203, 402017), (227, 359513), (253, 322567), (319, 255829), (539, 151409), (667, 122353), (1127, 72413), (1421, 57431), (1589, 51359), (1771, 46081), (2233, 36547), (2497, 32683), (4669, 17479), (5221, 15631), (6583, 12397), (7337, 11123)]