30397861

素因数分解:

${\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:205

約数の個数: 24

約数和(自身を含む): 34784640

約数和(自身を除く): 4386779

約数列:

[1, 13, 43, 47, 89, 169, 559, 611, 1157, 2021, 3827, 4183, 7267, 7943, 15041, 26273, 49751, 54379, 179869, 341549, 646763, 706927, 2338297, 30397861]

約数ペア:

[(1, 30397861), (13, 2338297), (43, 706927), (47, 646763), (89, 341549), (169, 179869), (559, 54379), (611, 49751), (1157, 26273), (2021, 15041), (3827, 7943), (4183, 7267)]