28755519

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{1319}}^1$

素因数の和:1391

約数の個数: 24

約数和(自身を含む): 42514560

約数和(自身を除く): 13759041

約数列:

[1, 3, 13, 39, 43, 129, 169, 507, 559, 1319, 1677, 3957, 7267, 17147, 21801, 51441, 56717, 170151, 222911, 668733, 737321, 2211963, 9585173, 28755519]

約数ペア:

[(1, 28755519), (3, 9585173), (13, 2211963), (39, 737321), (43, 668733), (129, 222911), (169, 170151), (507, 56717), (559, 51441), (1319, 21801), (1677, 17147), (3957, 7267)]