61140681

素因数分解:

$3^2\times 7^2\times {\mathrm{138641}}^1$

素因数の和:138661

約数の個数: 18

約数和(自身を含む): 102733722

約数和(自身を除く): 41593041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 138641, 415923, 970487, 1247769, 2911461, 6793409, 8734383, 20380227, 61140681]

約数ペア:

[(1, 61140681), (3, 20380227), (7, 8734383), (9, 6793409), (21, 2911461), (49, 1247769), (63, 970487), (147, 415923), (441, 138641)]