81985293

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{3557}}^1$

素因数の和:3773

約数の個数: 24

約数和(自身を含む): 128216088

約数和(自身を除く): 46230795

約数列:

[1, 3, 9, 13, 39, 117, 197, 591, 1773, 2561, 3557, 7683, 10671, 23049, 32013, 46241, 138723, 416169, 700729, 2102187, 6306561, 9109477, 27328431, 81985293]

約数ペア:

[(1, 81985293), (3, 27328431), (9, 9109477), (13, 6306561), (39, 2102187), (117, 700729), (197, 416169), (591, 138723), (1773, 46241), (2561, 32013), (3557, 23049), (7683, 10671)]