27821673

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 47354112

約数和(自身を除く): 19532439

約数列:

[1, 3, 9, 11, 17, 33, 51, 61, 99, 153, 183, 187, 271, 549, 561, 671, 813, 1037, 1683, 2013, 2439, 2981, 3111, 4607, 6039, 8943, 9333, 11407, 13821, 16531, 26829, 34221, 41463, 49593, 50677, 102663, 148779, 152031, 181841, 281027, 456093, 545523, 843081, 1636569, 2529243, 3091297, 9273891, 27821673]

約数ペア:

[(1, 27821673), (3, 9273891), (9, 3091297), (11, 2529243), (17, 1636569), (33, 843081), (51, 545523), (61, 456093), (99, 281027), (153, 181841), (183, 152031), (187, 148779), (271, 102663), (549, 50677), (561, 49593), (671, 41463), (813, 34221), (1037, 26829), (1683, 16531), (2013, 13821), (2439, 11407), (2981, 9333), (3111, 8943), (4607, 6039)]