1221801

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{797}}^1$

素因数の和:880

約数の個数: 16

約数和(自身を含む): 1889664

約数和(自身を除く): 667863

約数列:

[1, 3, 7, 21, 73, 219, 511, 797, 1533, 2391, 5579, 16737, 58181, 174543, 407267, 1221801]

約数ペア:

[(1, 1221801), (3, 407267), (7, 174543), (21, 58181), (73, 16737), (219, 5579), (511, 2391), (797, 1533)]