66657978

素因数分解:

$2^1\times 3^4\times {\mathrm{411469}}^1$

素因数の和:411483

約数の個数: 20

約数和(自身を含む): 149363610

約数和(自身を除く): 82705632

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 411469, 822938, 1234407, 2468814, 3703221, 7406442, 11109663, 22219326, 33328989, 66657978]

約数ペア:

[(1, 66657978), (2, 33328989), (3, 22219326), (6, 11109663), (9, 7406442), (18, 3703221), (27, 2468814), (54, 1234407), (81, 822938), (162, 411469)]