905418

素因数分解:

$2^1\times 3^9\times {\mathrm{23}}^1$

素因数の和:52

約数の個数: 40

約数和(自身を含む): 2125728

約数和(自身を除く): 1220310

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 243, 414, 486, 621, 729, 1242, 1458, 1863, 2187, 3726, 4374, 5589, 6561, 11178, 13122, 16767, 19683, 33534, 39366, 50301, 100602, 150903, 301806, 452709, 905418]

約数ペア:

[(1, 905418), (2, 452709), (3, 301806), (6, 150903), (9, 100602), (18, 50301), (23, 39366), (27, 33534), (46, 19683), (54, 16767), (69, 13122), (81, 11178), (138, 6561), (162, 5589), (207, 4374), (243, 3726), (414, 2187), (486, 1863), (621, 1458), (729, 1242)]