81453393

素因数分解:

$3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{6563}}^1$

素因数の和:6773

約数の個数: 24

約数和(自身を含む): 135165888

約数和(自身を除く): 53712495

約数列:

[1, 3, 7, 9, 21, 63, 197, 591, 1379, 1773, 4137, 6563, 12411, 19689, 45941, 59067, 137823, 413469, 1292911, 3878733, 9050377, 11636199, 27151131, 81453393]

約数ペア:

[(1, 81453393), (3, 27151131), (7, 11636199), (9, 9050377), (21, 3878733), (63, 1292911), (197, 413469), (591, 137823), (1379, 59067), (1773, 45941), (4137, 19689), (6563, 12411)]