18750537

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3727}}^1$

素因数の和:3789

約数の個数: 24

約数和(自身を含む): 29853824

約数和(自身を除く): 11103287

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 3727, 5031, 11181, 33543, 48451, 145353, 160261, 436059, 480783, 1442349, 2083393, 6250179, 18750537]

約数ペア:

[(1, 18750537), (3, 6250179), (9, 2083393), (13, 1442349), (39, 480783), (43, 436059), (117, 160261), (129, 145353), (387, 48451), (559, 33543), (1677, 11181), (3727, 5031)]