42539875

素因数分解:

$5^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{797}}^1$

素因数の和:880

約数の個数: 32

約数和(自身を含む): 61746048

約数和(自身を除く): 19206173

約数列:

[1, 5, 7, 25, 35, 61, 125, 175, 305, 427, 797, 875, 1525, 2135, 3985, 5579, 7625, 10675, 19925, 27895, 48617, 53375, 99625, 139475, 243085, 340319, 697375, 1215425, 1701595, 6077125, 8507975, 42539875]

約数ペア:

[(1, 42539875), (5, 8507975), (7, 6077125), (25, 1701595), (35, 1215425), (61, 697375), (125, 340319), (175, 243085), (305, 139475), (427, 99625), (797, 53375), (875, 48617), (1525, 27895), (2135, 19925), (3985, 10675), (5579, 7625)]