2980017

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:222

約数の個数: 32

約数和(自身を含む): 4803200

約数和(自身を除く): 1823183

約数列:

[1, 3, 9, 19, 27, 37, 57, 111, 157, 171, 333, 471, 513, 703, 999, 1413, 2109, 2983, 4239, 5809, 6327, 8949, 17427, 18981, 26847, 52281, 80541, 110371, 156843, 331113, 993339, 2980017]

約数ペア:

[(1, 2980017), (3, 993339), (9, 331113), (19, 156843), (27, 110371), (37, 80541), (57, 52281), (111, 26847), (157, 18981), (171, 17427), (333, 8949), (471, 6327), (513, 5809), (703, 4239), (999, 2983), (1413, 2109)]