216663669

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43691}}^1$

素因数の和:43745

約数の個数: 24

約数和(自身を含む): 340797600

約数和(自身を除く): 124133931

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1653, 4959, 43691, 131073, 393219, 830129, 1267039, 2490387, 3801117, 7471161, 11403351, 24073741, 72221223, 216663669]

約数ペア:

[(1, 216663669), (3, 72221223), (9, 24073741), (19, 11403351), (29, 7471161), (57, 3801117), (87, 2490387), (171, 1267039), (261, 830129), (551, 393219), (1653, 131073), (4959, 43691)]