51981075

素因数分解:

$3^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1453}}^1$

素因数の和:1525

約数の個数: 48

約数和(自身を含む): 97359840

約数和(自身を除く): 45378765

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 53, 75, 135, 159, 225, 265, 477, 675, 795, 1325, 1431, 1453, 2385, 3975, 4359, 7155, 7265, 11925, 13077, 21795, 35775, 36325, 39231, 65385, 77009, 108975, 196155, 231027, 326925, 385045, 693081, 980775, 1155135, 1925225, 2079243, 3465405, 5775675, 10396215, 17327025, 51981075]

約数ペア:

[(1, 51981075), (3, 17327025), (5, 10396215), (9, 5775675), (15, 3465405), (25, 2079243), (27, 1925225), (45, 1155135), (53, 980775), (75, 693081), (135, 385045), (159, 326925), (225, 231027), (265, 196155), (477, 108975), (675, 77009), (795, 65385), (1325, 39231), (1431, 36325), (1453, 35775), (2385, 21795), (3975, 13077), (4359, 11925), (7155, 7265)]