1648431

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{433}}^1$

素因数の和:492

約数の個数: 20

約数和(自身を含む): 2520672

約数和(自身を除く): 872241

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 433, 1269, 1299, 3807, 3897, 11691, 20351, 35073, 61053, 183159, 549477, 1648431]

約数ペア:

[(1, 1648431), (3, 549477), (9, 183159), (27, 61053), (47, 35073), (81, 20351), (141, 11691), (423, 3897), (433, 3807), (1269, 1299)]