491481

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:285

約数の個数: 16

約数和(自身を含む): 739200

約数和(自身を除く): 247719

約数列:

[1, 3, 9, 27, 109, 167, 327, 501, 981, 1503, 2943, 4509, 18203, 54609, 163827, 491481]

約数ペア:

[(1, 491481), (3, 163827), (9, 54609), (27, 18203), (109, 4509), (167, 2943), (327, 1503), (501, 981)]