13421031

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 20224512

約数和(自身を除く): 6803481

約数列:

[1, 3, 13, 39, 43, 53, 129, 151, 159, 453, 559, 689, 1677, 1963, 2067, 2279, 5889, 6493, 6837, 8003, 19479, 24009, 29627, 84409, 88881, 104039, 253227, 312117, 344129, 1032387, 4473677, 13421031]

約数ペア:

[(1, 13421031), (3, 4473677), (13, 1032387), (39, 344129), (43, 312117), (53, 253227), (129, 104039), (151, 88881), (159, 84409), (453, 29627), (559, 24009), (689, 19479), (1677, 8003), (1963, 6837), (2067, 6493), (2279, 5889)]