913920003

素因数分解:

$3^4\times {\mathrm{263}}^1\times {\mathrm{42901}}^1$

素因数の和:43176

約数の個数: 20

約数和(自身を含む): 1370461488

約数和(自身を除く): 456541485

約数列:

[1, 3, 9, 27, 81, 263, 789, 2367, 7101, 21303, 42901, 128703, 386109, 1158327, 3474981, 11282963, 33848889, 101546667, 304640001, 913920003]

約数ペア:

[(1, 913920003), (3, 304640001), (9, 101546667), (27, 33848889), (81, 11282963), (263, 3474981), (789, 1158327), (2367, 386109), (7101, 128703), (21303, 42901)]