1621917

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:190

約数の個数: 32

約数和(自身を含む): 2703360

約数和(自身を除く): 1081443

約数列:

[1, 3, 9, 11, 27, 33, 43, 99, 127, 129, 297, 381, 387, 473, 1143, 1161, 1397, 1419, 3429, 4191, 4257, 5461, 12573, 12771, 16383, 37719, 49149, 60071, 147447, 180213, 540639, 1621917]

約数ペア:

[(1, 1621917), (3, 540639), (9, 180213), (11, 147447), (27, 60071), (33, 49149), (43, 37719), (99, 16383), (127, 12771), (129, 12573), (297, 5461), (381, 4257), (387, 4191), (473, 3429), (1143, 1419), (1161, 1397)]