1683425

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{233}}^1$

素因数の和:277

約数の個数: 18

約数和(自身を含む): 2226978

約数和(自身を除く): 543553

約数列:

[1, 5, 17, 25, 85, 233, 289, 425, 1165, 1445, 3961, 5825, 7225, 19805, 67337, 99025, 336685, 1683425]

約数ペア:

[(1, 1683425), (5, 336685), (17, 99025), (25, 67337), (85, 19805), (233, 7225), (289, 5825), (425, 3961), (1165, 1445)]