78757947

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1171}}^1$

素因数の和:1280

約数の個数: 32

約数和(自身を含む): 121512960

約数和(自身を除く): 42755013

約数列:

[1, 3, 9, 27, 47, 53, 141, 159, 423, 477, 1171, 1269, 1431, 2491, 3513, 7473, 10539, 22419, 31617, 55037, 62063, 67257, 165111, 186189, 495333, 558567, 1485999, 1675701, 2916961, 8750883, 26252649, 78757947]

約数ペア:

[(1, 78757947), (3, 26252649), (9, 8750883), (27, 2916961), (47, 1675701), (53, 1485999), (141, 558567), (159, 495333), (423, 186189), (477, 165111), (1171, 67257), (1269, 62063), (1431, 55037), (2491, 31617), (3513, 22419), (7473, 10539)]