57255231

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 86093568

約数和(自身を除く): 28838337

約数列:

[1, 3, 11, 33, 43, 129, 157, 257, 471, 473, 771, 1419, 1727, 2827, 5181, 6751, 8481, 11051, 20253, 33153, 40349, 74261, 121047, 121561, 222783, 364683, 443839, 1331517, 1735007, 5205021, 19085077, 57255231]

約数ペア:

[(1, 57255231), (3, 19085077), (11, 5205021), (33, 1735007), (43, 1331517), (129, 443839), (157, 364683), (257, 222783), (471, 121561), (473, 121047), (771, 74261), (1419, 40349), (1727, 33153), (2827, 20253), (5181, 11051), (6751, 8481)]