205220223

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{194891}}^1$

素因数の和:194916

約数の個数: 20

約数和(自身を含む): 330147048

約数和(自身を除く): 124926825

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 194891, 584673, 1754019, 2533583, 5262057, 7600749, 15786171, 22802247, 68406741, 205220223]

約数ペア:

[(1, 205220223), (3, 68406741), (9, 22802247), (13, 15786171), (27, 7600749), (39, 5262057), (81, 2533583), (117, 1754019), (351, 584673), (1053, 194891)]