220170069

素因数分解:

$3^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4363}}^1$

素因数の和:4471

約数の個数: 40

約数和(自身を含む): 380191680

約数和(自身を除く): 160021611

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 89, 189, 267, 567, 623, 801, 1869, 2403, 4363, 5607, 7209, 13089, 16821, 30541, 39267, 50463, 91623, 117801, 274869, 353403, 388307, 824607, 1164921, 2473821, 2718149, 3494763, 8154447, 10484289, 24463341, 31452867, 73390023, 220170069]

約数ペア:

[(1, 220170069), (3, 73390023), (7, 31452867), (9, 24463341), (21, 10484289), (27, 8154447), (63, 3494763), (81, 2718149), (89, 2473821), (189, 1164921), (267, 824607), (567, 388307), (623, 353403), (801, 274869), (1869, 117801), (2403, 91623), (4363, 50463), (5607, 39267), (7209, 30541), (13089, 16821)]