138640905

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{236993}}^1$

素因数の和:237017

約数の個数: 24

約数和(自身を含む): 258797448

約数和(自身を除く): 120156543

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 236993, 710979, 1184965, 2132937, 3080909, 3554895, 9242727, 10664685, 15404545, 27728181, 46213635, 138640905]

約数ペア:

[(1, 138640905), (3, 46213635), (5, 27728181), (9, 15404545), (13, 10664685), (15, 9242727), (39, 3554895), (45, 3080909), (65, 2132937), (117, 1184965), (195, 710979), (585, 236993)]