1279890909

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{1217}}^1\times {\mathrm{3541}}^1$

素因数の和:4778

約数の個数: 32

約数和(自身を含む): 2070794880

約数和(自身を除く): 790903971

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 1217, 3541, 3651, 10623, 10953, 13387, 31869, 32859, 38951, 40161, 95607, 116853, 120483, 350559, 361449, 1051677, 4309397, 12928191, 38784573, 47403367, 116353719, 142210101, 426630303, 1279890909]

約数ペア:

[(1, 1279890909), (3, 426630303), (9, 142210101), (11, 116353719), (27, 47403367), (33, 38784573), (99, 12928191), (297, 4309397), (1217, 1051677), (3541, 361449), (3651, 350559), (10623, 120483), (10953, 116853), (13387, 95607), (31869, 40161), (32859, 38951)]