209954313

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{17293}}^1$

素因数の和:17389

約数の個数: 24

約数和(自身を含む): 323743680

約数和(自身を除く): 113789367

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 4047, 12141, 17293, 51879, 155637, 328567, 985701, 1227803, 2957103, 3683409, 11050227, 23328257, 69984771, 209954313]

約数ペア:

[(1, 209954313), (3, 69984771), (9, 23328257), (19, 11050227), (57, 3683409), (71, 2957103), (171, 1227803), (213, 985701), (639, 328567), (1349, 155637), (4047, 51879), (12141, 17293)]