1890980343

素因数分解:

$3^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{78781}}^1$

素因数の和:78924

約数の個数: 32

約数和(自身を含む): 3226910720

約数和(自身を除く): 1335930377

約数列:

[1, 3, 7, 9, 21, 27, 63, 127, 189, 381, 889, 1143, 2667, 3429, 8001, 24003, 78781, 236343, 551467, 709029, 1654401, 2127087, 4963203, 10005187, 14889609, 30015561, 70036309, 90046683, 210108927, 270140049, 630326781, 1890980343]

約数ペア:

[(1, 1890980343), (3, 630326781), (7, 270140049), (9, 210108927), (21, 90046683), (27, 70036309), (63, 30015561), (127, 14889609), (189, 10005187), (381, 4963203), (889, 2127087), (1143, 1654401), (2667, 709029), (3429, 551467), (8001, 236343), (24003, 78781)]