278289249

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{10627}}^1$

素因数の和:10709

約数の個数: 32

約数和(自身を含む): 448926720

約数和(自身を除く): 170637471

約数列:

[1, 3, 7, 21, 29, 43, 87, 129, 203, 301, 609, 903, 1247, 3741, 8729, 10627, 26187, 31881, 74389, 223167, 308183, 456961, 924549, 1370883, 2157281, 3198727, 6471843, 9596181, 13251869, 39755607, 92763083, 278289249]

約数ペア:

[(1, 278289249), (3, 92763083), (7, 39755607), (21, 13251869), (29, 9596181), (43, 6471843), (87, 3198727), (129, 2157281), (203, 1370883), (301, 924549), (609, 456961), (903, 308183), (1247, 223167), (3741, 74389), (8729, 31881), (10627, 26187)]