12620385

素因数分解:

$3^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{991}}^1$

素因数の和:1285

約数の個数: 24

約数和(自身を含む): 21974784

約数和(自身を除く): 9354399

約数列:

[1, 3, 5, 9, 15, 45, 283, 849, 991, 1415, 2547, 2973, 4245, 4955, 8919, 12735, 14865, 44595, 280453, 841359, 1402265, 2524077, 4206795, 12620385]

約数ペア:

[(1, 12620385), (3, 4206795), (5, 2524077), (9, 1402265), (15, 841359), (45, 280453), (283, 44595), (849, 14865), (991, 12735), (1415, 8919), (2547, 4955), (2973, 4245)]