13271979

素因数分解:

$3^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{1021}}^1$

素因数の和:1650

約数の個数: 16

約数和(自身を含む): 20276480

約数和(自身を除く): 7004501

約数列:

[1, 3, 7, 21, 619, 1021, 1857, 3063, 4333, 7147, 12999, 21441, 631999, 1895997, 4423993, 13271979]

約数ペア:

[(1, 13271979), (3, 4423993), (7, 1895997), (21, 631999), (619, 21441), (1021, 12999), (1857, 7147), (3063, 4333)]