138073509

素因数分解:

$3^2\times 7^1\times {\mathrm{937}}^1\times {\mathrm{2339}}^1$

素因数の和:3289

約数の個数: 24

約数和(自身を含む): 228271680

約数和(自身を除く): 90198171

約数列:

[1, 3, 7, 9, 21, 63, 937, 2339, 2811, 6559, 7017, 8433, 16373, 19677, 21051, 49119, 59031, 147357, 2191643, 6574929, 15341501, 19724787, 46024503, 138073509]

約数ペア:

[(1, 138073509), (3, 46024503), (7, 19724787), (9, 15341501), (21, 6574929), (63, 2191643), (937, 147357), (2339, 59031), (2811, 49119), (6559, 21051), (7017, 19677), (8433, 16373)]