56687775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 100198944

約数和(自身を除く): 43511169

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 173, 255, 257, 425, 519, 771, 865, 1275, 1285, 2595, 2941, 3855, 4325, 4369, 6425, 8823, 12975, 13107, 14705, 19275, 21845, 44115, 44461, 65535, 73525, 109225, 133383, 220575, 222305, 327675, 666915, 755837, 1111525, 2267511, 3334575, 3779185, 11337555, 18895925, 56687775]

約数ペア:

[(1, 56687775), (3, 18895925), (5, 11337555), (15, 3779185), (17, 3334575), (25, 2267511), (51, 1111525), (75, 755837), (85, 666915), (173, 327675), (255, 222305), (257, 220575), (425, 133383), (519, 109225), (771, 73525), (865, 65535), (1275, 44461), (1285, 44115), (2595, 21845), (2941, 19275), (3855, 14705), (4325, 13107), (4369, 12975), (6425, 8823)]