51888195

素因数分解:

$3^4\times 5^1\times {\mathrm{128119}}^1$

素因数の和:128136

約数の個数: 20

約数和(自身を含む): 93015120

約数和(自身を除く): 41126925

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 128119, 384357, 640595, 1153071, 1921785, 3459213, 5765355, 10377639, 17296065, 51888195]

約数ペア:

[(1, 51888195), (3, 17296065), (5, 10377639), (9, 5765355), (15, 3459213), (27, 1921785), (45, 1153071), (81, 640595), (135, 384357), (405, 128119)]