25198209

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{2753}}^1$

素因数の和:2878

約数の個数: 20

約数和(自身を含む): 37988676

約数和(自身を除く): 12790467

約数列:

[1, 3, 9, 27, 81, 113, 339, 1017, 2753, 3051, 8259, 9153, 24777, 74331, 222993, 311089, 933267, 2799801, 8399403, 25198209]

約数ペア:

[(1, 25198209), (3, 8399403), (9, 2799801), (27, 933267), (81, 311089), (113, 222993), (339, 74331), (1017, 24777), (2753, 9153), (3051, 8259)]