20138247

素因数分解:

$3^3\times {\mathrm{439}}^1\times {\mathrm{1699}}^1$

素因数の和:2147

約数の個数: 16

約数和(自身を含む): 29920000

約数和(自身を除く): 9781753

約数列:

[1, 3, 9, 27, 439, 1317, 1699, 3951, 5097, 11853, 15291, 45873, 745861, 2237583, 6712749, 20138247]

約数ペア:

[(1, 20138247), (3, 6712749), (9, 2237583), (27, 745861), (439, 45873), (1317, 15291), (1699, 11853), (3951, 5097)]