201989931

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{24781}}^1$

素因数の和:24827

約数の個数: 32

約数和(自身を含む): 333070080

約数和(自身を除く): 131080149

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 429, 627, 741, 2717, 8151, 24781, 74343, 272591, 322153, 470839, 817773, 966459, 1412517, 3543683, 5179229, 6120907, 10631049, 15537687, 18362721, 67329977, 201989931]

約数ペア:

[(1, 201989931), (3, 67329977), (11, 18362721), (13, 15537687), (19, 10631049), (33, 6120907), (39, 5179229), (57, 3543683), (143, 1412517), (209, 966459), (247, 817773), (429, 470839), (627, 322153), (741, 272591), (2717, 74343), (8151, 24781)]