172802019

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{18539}}^1$

素因数の和:18794

約数の個数: 16

約数和(自身を含む): 249177600

約数和(自身を除く): 76375581

約数列:

[1, 3, 13, 39, 239, 717, 3107, 9321, 18539, 55617, 241007, 723021, 4430821, 13292463, 57600673, 172802019]

約数ペア:

[(1, 172802019), (3, 57600673), (13, 13292463), (39, 4430821), (239, 723021), (717, 241007), (3107, 55617), (9321, 18539)]