8197821

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 13009920

約数和(自身を除く): 4812099

約数列:

[1, 3, 9, 23, 27, 43, 69, 129, 207, 307, 387, 621, 921, 989, 1161, 2763, 2967, 7061, 8289, 8901, 13201, 21183, 26703, 39603, 63549, 118809, 190647, 303623, 356427, 910869, 2732607, 8197821]

約数ペア:

[(1, 8197821), (3, 2732607), (9, 910869), (23, 356427), (27, 303623), (43, 190647), (69, 118809), (129, 63549), (207, 39603), (307, 26703), (387, 21183), (621, 13201), (921, 8901), (989, 8289), (1161, 7061), (2763, 2967)]