13661001

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 21312000

約数和(自身を除く): 7650999

約数列:

[1, 3, 9, 27, 29, 73, 87, 219, 239, 261, 657, 717, 783, 1971, 2117, 2151, 6351, 6453, 6931, 17447, 19053, 20793, 52341, 57159, 62379, 157023, 187137, 471069, 505963, 1517889, 4553667, 13661001]

約数ペア:

[(1, 13661001), (3, 4553667), (9, 1517889), (27, 505963), (29, 471069), (73, 187137), (87, 157023), (219, 62379), (239, 57159), (261, 52341), (657, 20793), (717, 19053), (783, 17447), (1971, 6931), (2117, 6453), (2151, 6351)]