72430047

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{27847}}^1$

素因数の和:27887

約数の個数: 18

約数和(自身を含む): 111141368

約数和(自身を除く): 38711321

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 27847, 83541, 250623, 473399, 1420197, 4260591, 8047783, 24143349, 72430047]

約数ペア:

[(1, 72430047), (3, 24143349), (9, 8047783), (17, 4260591), (51, 1420197), (153, 473399), (289, 250623), (867, 83541), (2601, 27847)]