81897255

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{165449}}^1$

素因数の和:165471

約数の個数: 24

約数和(自身を含む): 154861200

約数和(自身を除く): 72963945

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 165449, 496347, 827245, 1489041, 1819939, 2481735, 5459817, 7445205, 9099695, 16379451, 27299085, 81897255]

約数ペア:

[(1, 81897255), (3, 27299085), (5, 16379451), (9, 9099695), (11, 7445205), (15, 5459817), (33, 2481735), (45, 1819939), (55, 1489041), (99, 827245), (165, 496347), (495, 165449)]