189038079

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{72679}}^1$

素因数の和:72719

約数の個数: 18

約数和(自身を含む): 290065880

約数和(自身を除く): 101027801

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 72679, 218037, 654111, 1235543, 3706629, 11119887, 21004231, 63012693, 189038079]

約数ペア:

[(1, 189038079), (3, 63012693), (9, 21004231), (17, 11119887), (51, 3706629), (153, 1235543), (289, 654111), (867, 218037), (2601, 72679)]