61271217

素因数分解:

$3^2\times 7^2\times {\mathrm{138937}}^1$

素因数の和:138957

約数の個数: 18

約数和(自身を含む): 102953058

約数和(自身を除く): 41681841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 138937, 416811, 972559, 1250433, 2917677, 6807913, 8753031, 20423739, 61271217]

約数ペア:

[(1, 61271217), (3, 20423739), (7, 8753031), (9, 6807913), (21, 2917677), (49, 1250433), (63, 972559), (147, 416811), (441, 138937)]