816669

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:194

約数の個数: 32

約数和(自身を含む): 1440000

約数和(自身を除く): 623331

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 149, 189, 203, 261, 447, 609, 783, 1043, 1341, 1827, 3129, 4023, 4321, 5481, 9387, 12963, 28161, 30247, 38889, 90741, 116667, 272223, 816669]

約数ペア:

[(1, 816669), (3, 272223), (7, 116667), (9, 90741), (21, 38889), (27, 30247), (29, 28161), (63, 12963), (87, 9387), (149, 5481), (189, 4321), (203, 4023), (261, 3129), (447, 1827), (609, 1341), (783, 1043)]