86571387

素因数分解:

$3^2\times 7^2\times {\mathrm{196307}}^1$

素因数の和:196327

約数の個数: 18

約数和(自身を含む): 145464228

約数和(自身を除く): 58892841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 196307, 588921, 1374149, 1766763, 4122447, 9619043, 12367341, 28857129, 86571387]

約数ペア:

[(1, 86571387), (3, 28857129), (7, 12367341), (9, 9619043), (21, 4122447), (49, 1766763), (63, 1374149), (147, 588921), (441, 196307)]