138825729

素因数分解:

$3^2\times 7^1\times {\mathrm{1109}}^1\times {\mathrm{1987}}^1$

素因数の和:3109

約数の個数: 24

約数和(自身を含む): 229494720

約数和(自身を除く): 90668991

約数列:

[1, 3, 7, 9, 21, 63, 1109, 1987, 3327, 5961, 7763, 9981, 13909, 17883, 23289, 41727, 69867, 125181, 2203583, 6610749, 15425081, 19832247, 46275243, 138825729]

約数ペア:

[(1, 138825729), (3, 46275243), (7, 19832247), (9, 15425081), (21, 6610749), (63, 2203583), (1109, 125181), (1987, 69867), (3327, 41727), (5961, 23289), (7763, 17883), (9981, 13909)]