29971539

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{28463}}^1$

素因数の和:28488

約数の個数: 20

約数和(自身を含む): 48218016

約数和(自身を除く): 18246477

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 28463, 85389, 256167, 370019, 768501, 1110057, 2305503, 3330171, 9990513, 29971539]

約数ペア:

[(1, 29971539), (3, 9990513), (9, 3330171), (13, 2305503), (27, 1110057), (39, 768501), (81, 370019), (117, 256167), (351, 85389), (1053, 28463)]