137988981

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{3001}}^1$

素因数の和:3154

約数の個数: 32

約数和(自身を含む): 221907840

約数和(自身を除く): 83918859

約数列:

[1, 3, 9, 13, 27, 39, 117, 131, 351, 393, 1179, 1703, 3001, 3537, 5109, 9003, 15327, 27009, 39013, 45981, 81027, 117039, 351117, 393131, 1053351, 1179393, 3538179, 5110703, 10614537, 15332109, 45996327, 137988981]

約数ペア:

[(1, 137988981), (3, 45996327), (9, 15332109), (13, 10614537), (27, 5110703), (39, 3538179), (117, 1179393), (131, 1053351), (351, 393131), (393, 351117), (1179, 117039), (1703, 81027), (3001, 45981), (3537, 39013), (5109, 27009), (9003, 15327)]