1390304889

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{1021}}^1\times {\mathrm{2131}}^1$

素因数の和:3229

約数の個数: 24

約数和(自身を含む): 2039454144

約数和(自身を除く): 649149255

約数列:

[1, 3, 9, 71, 213, 639, 1021, 2131, 3063, 6393, 9189, 19179, 72491, 151301, 217473, 453903, 652419, 1361709, 2175751, 6527253, 19581759, 154478321, 463434963, 1390304889]

約数ペア:

[(1, 1390304889), (3, 463434963), (9, 154478321), (71, 19581759), (213, 6527253), (639, 2175751), (1021, 1361709), (2131, 652419), (3063, 453903), (6393, 217473), (9189, 151301), (19179, 72491)]