28365831

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 46964736

約数和(自身を除く): 18598905

約数列:

[1, 3, 9, 13, 23, 39, 69, 83, 117, 127, 207, 249, 299, 381, 747, 897, 1079, 1143, 1651, 1909, 2691, 2921, 3237, 4953, 5727, 8763, 9711, 10541, 14859, 17181, 24817, 26289, 31623, 37973, 74451, 94869, 113919, 137033, 223353, 242443, 341757, 411099, 727329, 1233297, 2181987, 3151759, 9455277, 28365831]

約数ペア:

[(1, 28365831), (3, 9455277), (9, 3151759), (13, 2181987), (23, 1233297), (39, 727329), (69, 411099), (83, 341757), (117, 242443), (127, 223353), (207, 137033), (249, 113919), (299, 94869), (381, 74451), (747, 37973), (897, 31623), (1079, 26289), (1143, 24817), (1651, 17181), (1909, 14859), (2691, 10541), (2921, 9711), (3237, 8763), (4953, 5727)]