247636359

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{34351}}^1$

素因数の和:34452

約数の個数: 20

約数和(自身を含む): 374093280

約数和(自身を除く): 126456921

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 7209, 34351, 103053, 309159, 927477, 2782431, 3057239, 9171717, 27515151, 82545453, 247636359]

約数ペア:

[(1, 247636359), (3, 82545453), (9, 27515151), (27, 9171717), (81, 3057239), (89, 2782431), (267, 927477), (801, 309159), (2403, 103053), (7209, 34351)]