28627425

素因数分解:

$3^4\times 5^2\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:300

約数の個数: 60

約数和(自身を含む): 54074416

約数和(自身を除く): 25446991

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 67, 75, 81, 135, 201, 211, 225, 335, 405, 603, 633, 675, 1005, 1055, 1675, 1809, 1899, 2025, 3015, 3165, 5025, 5275, 5427, 5697, 9045, 9495, 14137, 15075, 15825, 17091, 27135, 28485, 42411, 45225, 47475, 70685, 85455, 127233, 135675, 142425, 212055, 353425, 381699, 427275, 636165, 1060275, 1145097, 1908495, 3180825, 5725485, 9542475, 28627425]

約数ペア:

[(1, 28627425), (3, 9542475), (5, 5725485), (9, 3180825), (15, 1908495), (25, 1145097), (27, 1060275), (45, 636165), (67, 427275), (75, 381699), (81, 353425), (135, 212055), (201, 142425), (211, 135675), (225, 127233), (335, 85455), (405, 70685), (603, 47475), (633, 45225), (675, 42411), (1005, 28485), (1055, 27135), (1675, 17091), (1809, 15825), (1899, 15075), (2025, 14137), (3015, 9495), (3165, 9045), (5025, 5697), (5275, 5427)]