51865725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2141}}^1$

素因数の和:2190

約数の個数: 48

約数和(自身を含む): 95618880

約数和(自身を除く): 43753155

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 95, 255, 285, 323, 425, 475, 969, 1275, 1425, 1615, 2141, 4845, 6423, 8075, 10705, 24225, 32115, 36397, 40679, 53525, 109191, 122037, 160575, 181985, 203395, 545955, 610185, 691543, 909925, 1016975, 2074629, 2729775, 3050925, 3457715, 10373145, 17288575, 51865725]

約数ペア:

[(1, 51865725), (3, 17288575), (5, 10373145), (15, 3457715), (17, 3050925), (19, 2729775), (25, 2074629), (51, 1016975), (57, 909925), (75, 691543), (85, 610185), (95, 545955), (255, 203395), (285, 181985), (323, 160575), (425, 122037), (475, 109191), (969, 53525), (1275, 40679), (1425, 36397), (1615, 32115), (2141, 24225), (4845, 10705), (6423, 8075)]