245832489

素因数分解:

$3^4\times 7^1\times {\mathrm{523}}^1\times {\mathrm{829}}^1$

素因数の和:1371

約数の個数: 40

約数和(自身を含む): 421002560

約数和(自身を除く): 175170071

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 523, 567, 829, 1569, 2487, 3661, 4707, 5803, 7461, 10983, 14121, 17409, 22383, 32949, 42363, 52227, 67149, 98847, 156681, 296541, 433567, 470043, 1300701, 3034969, 3902103, 9104907, 11706309, 27314721, 35118927, 81944163, 245832489]

約数ペア:

[(1, 245832489), (3, 81944163), (7, 35118927), (9, 27314721), (21, 11706309), (27, 9104907), (63, 3902103), (81, 3034969), (189, 1300701), (523, 470043), (567, 433567), (829, 296541), (1569, 156681), (2487, 98847), (3661, 67149), (4707, 52227), (5803, 42363), (7461, 32949), (10983, 22383), (14121, 17409)]