208187811

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{41381}}^1$

素因数の和:41443

約数の個数: 24

約数和(自身を含む): 331387056

約数和(自身を除く): 123199245

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 5031, 41381, 124143, 372429, 537953, 1613859, 1779383, 4841577, 5338149, 16014447, 23131979, 69395937, 208187811]

約数ペア:

[(1, 208187811), (3, 69395937), (9, 23131979), (13, 16014447), (39, 5338149), (43, 4841577), (117, 1779383), (129, 1613859), (387, 537953), (559, 372429), (1677, 124143), (5031, 41381)]