15997743

素因数分解:

$3^4\times {\mathrm{313}}^1\times {\mathrm{631}}^1$

素因数の和:956

約数の個数: 20

約数和(自身を含む): 24012208

約数和(自身を除く): 8014465

約数列:

[1, 3, 9, 27, 81, 313, 631, 939, 1893, 2817, 5679, 8451, 17037, 25353, 51111, 197503, 592509, 1777527, 5332581, 15997743]

約数ペア:

[(1, 15997743), (3, 5332581), (9, 1777527), (27, 592509), (81, 197503), (313, 51111), (631, 25353), (939, 17037), (1893, 8451), (2817, 5679)]