243670647591

素因数分解:

$3^2\times 7^2\times {\mathrm{552541151}}^1$

素因数の和:552541171

約数の個数: 18

約数和(自身を含む): 409432993632

約数和(自身を除く): 165762346041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 552541151, 1657623453, 3867788057, 4972870359, 11603364171, 27074516399, 34810092513, 81223549197, 243670647591]

約数ペア:

[(1, 243670647591), (3, 81223549197), (7, 34810092513), (9, 27074516399), (21, 11603364171), (49, 4972870359), (63, 3867788057), (147, 1657623453), (441, 552541151)]