287527887

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{52981}}^1$

素因数の和:53060

約数の個数: 20

約数和(自身を含む): 435935896

約数和(自身を除く): 148408009

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 52981, 158943, 476829, 1430487, 3549727, 4291461, 10649181, 31947543, 95842629, 287527887]

約数ペア:

[(1, 287527887), (3, 95842629), (9, 31947543), (27, 10649181), (67, 4291461), (81, 3549727), (201, 1430487), (603, 476829), (1809, 158943), (5427, 52981)]