15785766

素因数分解:

$2^1\times 3^9\times {\mathrm{401}}^1$

素因数の和:430

約数の個数: 40

約数和(自身を含む): 35605944

約数和(自身を除く): 19820178

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 401, 486, 729, 802, 1203, 1458, 2187, 2406, 3609, 4374, 6561, 7218, 10827, 13122, 19683, 21654, 32481, 39366, 64962, 97443, 194886, 292329, 584658, 876987, 1753974, 2630961, 5261922, 7892883, 15785766]

約数ペア:

[(1, 15785766), (2, 7892883), (3, 5261922), (6, 2630961), (9, 1753974), (18, 876987), (27, 584658), (54, 292329), (81, 194886), (162, 97443), (243, 64962), (401, 39366), (486, 32481), (729, 21654), (802, 19683), (1203, 13122), (1458, 10827), (2187, 7218), (2406, 6561), (3609, 4374)]