222720537

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{271}}^1\times {\mathrm{1621}}^1$

素因数の和:1921

約数の個数: 24

約数和(自身を含む): 322946688

約数和(自身を除く): 100226151

約数列:

[1, 3, 13, 39, 169, 271, 507, 813, 1621, 3523, 4863, 10569, 21073, 45799, 63219, 137397, 273949, 439291, 821847, 1317873, 5710783, 17132349, 74240179, 222720537]

約数ペア:

[(1, 222720537), (3, 74240179), (13, 17132349), (39, 5710783), (169, 1317873), (271, 821847), (507, 439291), (813, 273949), (1621, 137397), (3523, 63219), (4863, 45799), (10569, 21073)]