201787887

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{2609}}^1$

素因数の和:2775

約数の個数: 32

約数和(自身を含む): 320716800

約数和(自身を除く): 118928913

約数列:

[1, 3, 7, 21, 29, 87, 127, 203, 381, 609, 889, 2609, 2667, 3683, 7827, 11049, 18263, 25781, 54789, 75661, 77343, 226983, 331343, 529627, 994029, 1588881, 2319401, 6958203, 9608947, 28826841, 67262629, 201787887]

約数ペア:

[(1, 201787887), (3, 67262629), (7, 28826841), (21, 9608947), (29, 6958203), (87, 2319401), (127, 1588881), (203, 994029), (381, 529627), (609, 331343), (889, 226983), (2609, 77343), (2667, 75661), (3683, 54789), (7827, 25781), (11049, 18263)]