88897221

素因数分解:

$3^2\times 7^2\times {\mathrm{201581}}^1$

素因数の和:201601

約数の個数: 18

約数和(自身を含む): 149372262

約数和(自身を除く): 60475041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 201581, 604743, 1411067, 1814229, 4233201, 9877469, 12699603, 29632407, 88897221]

約数ペア:

[(1, 88897221), (3, 29632407), (7, 12699603), (9, 9877469), (21, 4233201), (49, 1814229), (63, 1411067), (147, 604743), (441, 201581)]