201981843

素因数分解:

$3^6\times 7^1\times {\mathrm{39581}}^1$

素因数の和:39606

約数の個数: 28

約数和(自身を含む): 346105008

約数和(自身を除く): 144123165

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 39581, 118743, 277067, 356229, 831201, 1068687, 2493603, 3206061, 7480809, 9618183, 22442427, 28854549, 67327281, 201981843]

約数ペア:

[(1, 201981843), (3, 67327281), (7, 28854549), (9, 22442427), (21, 9618183), (27, 7480809), (63, 3206061), (81, 2493603), (189, 1068687), (243, 831201), (567, 356229), (729, 277067), (1701, 118743), (5103, 39581)]