801819

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:552

約数の個数: 20

約数和(自身を含む): 1263240

約数和(自身を除く): 461421

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 521, 1539, 1563, 4689, 9899, 14067, 29697, 42201, 89091, 267273, 801819]

約数ペア:

[(1, 801819), (3, 267273), (9, 89091), (19, 42201), (27, 29697), (57, 14067), (81, 9899), (171, 4689), (513, 1563), (521, 1539)]