72015399

素因数分解:

$3^4\times {\mathrm{631}}^1\times {\mathrm{1409}}^1$

素因数の和:2052

約数の個数: 20

約数和(自身を含む): 107825520

約数和(自身を除く): 35810121

約数列:

[1, 3, 9, 27, 81, 631, 1409, 1893, 4227, 5679, 12681, 17037, 38043, 51111, 114129, 889079, 2667237, 8001711, 24005133, 72015399]

約数ペア:

[(1, 72015399), (3, 24005133), (9, 8001711), (27, 2667237), (81, 889079), (631, 114129), (1409, 51111), (1893, 38043), (4227, 17037), (5679, 12681)]