201780801

素因数分解:

$3^4\times {\mathrm{353}}^1\times {\mathrm{7057}}^1$

素因数の和:7422

約数の個数: 20

約数和(自身を含む): 302322372

約数和(自身を除く): 100541571

約数列:

[1, 3, 9, 27, 81, 353, 1059, 3177, 7057, 9531, 21171, 28593, 63513, 190539, 571617, 2491121, 7473363, 22420089, 67260267, 201780801]

約数ペア:

[(1, 201780801), (3, 67260267), (9, 22420089), (27, 7473363), (81, 2491121), (353, 571617), (1059, 190539), (3177, 63513), (7057, 28593), (9531, 21171)]