81508878

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1951}}^1$

素因数の和:2181

約数の個数: 48

約数和(自身を含む): 193669632

約数和(自身を除く): 112160754

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 211, 422, 633, 1266, 1899, 1951, 2321, 3798, 3902, 4642, 5853, 6963, 11706, 13926, 17559, 20889, 21461, 35118, 41778, 42922, 64383, 128766, 193149, 386298, 411661, 823322, 1234983, 2469966, 3704949, 4528271, 7409898, 9056542, 13584813, 27169626, 40754439, 81508878]

約数ペア:

[(1, 81508878), (2, 40754439), (3, 27169626), (6, 13584813), (9, 9056542), (11, 7409898), (18, 4528271), (22, 3704949), (33, 2469966), (66, 1234983), (99, 823322), (198, 411661), (211, 386298), (422, 193149), (633, 128766), (1266, 64383), (1899, 42922), (1951, 41778), (2321, 35118), (3798, 21461), (3902, 20889), (4642, 17559), (5853, 13926), (6963, 11706)]