15690969

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1361}}^1$

素因数の和:1438

約数の個数: 32

約数和(自身を含む): 27022080

約数和(自身を除く): 11331111

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 183, 189, 427, 549, 1281, 1361, 1647, 3843, 4083, 9527, 11529, 12249, 28581, 36747, 83021, 85743, 249063, 257229, 581147, 747189, 1743441, 2241567, 5230323, 15690969]

約数ペア:

[(1, 15690969), (3, 5230323), (7, 2241567), (9, 1743441), (21, 747189), (27, 581147), (61, 257229), (63, 249063), (183, 85743), (189, 83021), (427, 36747), (549, 28581), (1281, 12249), (1361, 11529), (1647, 9527), (3843, 4083)]