394568991

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{21169}}^1$

素因数の和:21303

約数の個数: 24

約数和(自身を含む): 605462000

約数和(自身を除く): 210893009

約数列:

[1, 3, 9, 19, 57, 109, 171, 327, 981, 2071, 6213, 18639, 21169, 63507, 190521, 402211, 1206633, 2307421, 3619899, 6922263, 20766789, 43840999, 131522997, 394568991]

約数ペア:

[(1, 394568991), (3, 131522997), (9, 43840999), (19, 20766789), (57, 6922263), (109, 3619899), (171, 2307421), (327, 1206633), (981, 402211), (2071, 190521), (6213, 63507), (18639, 21169)]