2980881

素因数分解:

$3^7\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:97

約数の個数: 32

約数和(自身を含む): 4723200

約数和(自身を除く): 1742319

約数列:

[1, 3, 9, 27, 29, 47, 81, 87, 141, 243, 261, 423, 729, 783, 1269, 1363, 2187, 2349, 3807, 4089, 7047, 11421, 12267, 21141, 34263, 36801, 63423, 102789, 110403, 331209, 993627, 2980881]

約数ペア:

[(1, 2980881), (3, 993627), (9, 331209), (27, 110403), (29, 102789), (47, 63423), (81, 36801), (87, 34263), (141, 21141), (243, 12267), (261, 11421), (423, 7047), (729, 4089), (783, 3807), (1269, 2349), (1363, 2187)]