57403647

素因数分解:

$3^6\times 7^2\times {\mathrm{1607}}^1$

素因数の和:1639

約数の個数: 42

約数和(自身を含む): 100180008

約数和(自身を除く): 42776361

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 729, 1323, 1607, 1701, 3969, 4821, 5103, 11249, 11907, 14463, 33747, 35721, 43389, 78743, 101241, 130167, 236229, 303723, 390501, 708687, 911169, 1171503, 2126061, 2733507, 6378183, 8200521, 19134549, 57403647]

約数ペア:

[(1, 57403647), (3, 19134549), (7, 8200521), (9, 6378183), (21, 2733507), (27, 2126061), (49, 1171503), (63, 911169), (81, 708687), (147, 390501), (189, 303723), (243, 236229), (441, 130167), (567, 101241), (729, 78743), (1323, 43389), (1607, 35721), (1701, 33747), (3969, 14463), (4821, 11907), (5103, 11249)]