201720987

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{25733}}^1$

素因数の和:25819

約数の個数: 24

約数和(自身を含む): 318483984

約数和(自身を除く): 116762997

約数列:

[1, 3, 9, 13, 39, 67, 117, 201, 603, 871, 2613, 7839, 25733, 77199, 231597, 334529, 1003587, 1724111, 3010761, 5172333, 15516999, 22413443, 67240329, 201720987]

約数ペア:

[(1, 201720987), (3, 67240329), (9, 22413443), (13, 15516999), (39, 5172333), (67, 3010761), (117, 1724111), (201, 1003587), (603, 334529), (871, 231597), (2613, 77199), (7839, 25733)]