72019089

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{27689}}^1$

素因数の和:27729

約数の個数: 18

約数和(自身を含む): 110510790

約数和(自身を除く): 38491701

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 27689, 83067, 249201, 470713, 1412139, 4236417, 8002121, 24006363, 72019089]

約数ペア:

[(1, 72019089), (3, 24006363), (9, 8002121), (17, 4236417), (51, 1412139), (153, 470713), (289, 249201), (867, 83067), (2601, 27689)]