64402425

素因数分解:

$3^3\times 5^2\times {\mathrm{73}}^1\times {\mathrm{1307}}^1$

素因数の和:1399

約数の個数: 48

約数和(自身を含む): 120022080

約数和(自身を除く): 55619655

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 73, 75, 135, 219, 225, 365, 657, 675, 1095, 1307, 1825, 1971, 3285, 3921, 5475, 6535, 9855, 11763, 16425, 19605, 32675, 35289, 49275, 58815, 95411, 98025, 176445, 286233, 294075, 477055, 858699, 882225, 1431165, 2385275, 2576097, 4293495, 7155825, 12880485, 21467475, 64402425]

約数ペア:

[(1, 64402425), (3, 21467475), (5, 12880485), (9, 7155825), (15, 4293495), (25, 2576097), (27, 2385275), (45, 1431165), (73, 882225), (75, 858699), (135, 477055), (219, 294075), (225, 286233), (365, 176445), (657, 98025), (675, 95411), (1095, 58815), (1307, 49275), (1825, 35289), (1971, 32675), (3285, 19605), (3921, 16425), (5475, 11763), (6535, 9855)]