1916811

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:192

約数の個数: 32

約数和(自身を含む): 3153920

約数和(自身を除く): 1237109

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 127, 129, 351, 381, 387, 559, 1143, 1161, 1651, 1677, 3429, 4953, 5031, 5461, 14859, 15093, 16383, 44577, 49149, 70993, 147447, 212979, 638937, 1916811]

約数ペア:

[(1, 1916811), (3, 638937), (9, 212979), (13, 147447), (27, 70993), (39, 49149), (43, 44577), (117, 16383), (127, 15093), (129, 14859), (351, 5461), (381, 5031), (387, 4953), (559, 3429), (1143, 1677), (1161, 1651)]