2121147

素因数分解:

$3^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:94

約数の個数: 48

約数和(自身を含む): 3843840

約数和(自身を除く): 1722693

約数列:

[1, 3, 7, 9, 21, 27, 29, 43, 63, 81, 87, 129, 189, 203, 243, 261, 301, 387, 567, 609, 783, 903, 1161, 1247, 1701, 1827, 2349, 2709, 3483, 3741, 5481, 7047, 8127, 8729, 10449, 11223, 16443, 24381, 26187, 33669, 49329, 73143, 78561, 101007, 235683, 303021, 707049, 2121147]

約数ペア:

[(1, 2121147), (3, 707049), (7, 303021), (9, 235683), (21, 101007), (27, 78561), (29, 73143), (43, 49329), (63, 33669), (81, 26187), (87, 24381), (129, 16443), (189, 11223), (203, 10449), (243, 8729), (261, 8127), (301, 7047), (387, 5481), (567, 3741), (609, 3483), (783, 2709), (903, 2349), (1161, 1827), (1247, 1701)]