83772801

素因数分解:

$3^2\times 7^2\times {\mathrm{189961}}^1$

素因数の和:189981

約数の個数: 18

約数和(自身を含む): 140761842

約数和(自身を除く): 56989041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 189961, 569883, 1329727, 1709649, 3989181, 9308089, 11967543, 27924267, 83772801]

約数ペア:

[(1, 83772801), (3, 27924267), (7, 11967543), (9, 9308089), (21, 3989181), (49, 1709649), (63, 1329727), (147, 569883), (441, 189961)]