1722951

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:340

約数の個数: 20

約数和(自身を含む): 2613600

約数和(自身を除く): 890649

約数列:

[1, 3, 9, 27, 81, 89, 239, 267, 717, 801, 2151, 2403, 6453, 7209, 19359, 21271, 63813, 191439, 574317, 1722951]

約数ペア:

[(1, 1722951), (3, 574317), (9, 191439), (27, 63813), (81, 21271), (89, 19359), (239, 7209), (267, 6453), (717, 2403), (801, 2151)]