211661775

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{24121}}^1$

素因数の和:24153

約数の個数: 48

約数和(自身を含む): 418757920

約数和(自身を除く): 207096145

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 195, 225, 325, 351, 585, 675, 975, 1755, 2925, 8775, 24121, 72363, 120605, 217089, 313573, 361815, 603025, 651267, 940719, 1085445, 1567865, 1809075, 2822157, 3256335, 4703595, 5427225, 7839325, 8466471, 14110785, 16281675, 23517975, 42332355, 70553925, 211661775]

約数ペア:

[(1, 211661775), (3, 70553925), (5, 42332355), (9, 23517975), (13, 16281675), (15, 14110785), (25, 8466471), (27, 7839325), (39, 5427225), (45, 4703595), (65, 3256335), (75, 2822157), (117, 1809075), (135, 1567865), (195, 1085445), (225, 940719), (325, 651267), (351, 603025), (585, 361815), (675, 313573), (975, 217089), (1755, 120605), (2925, 72363), (8775, 24121)]