61313475

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2531}}^1$

素因数の和:2580

約数の個数: 48

約数和(自身を含む): 113028480

約数和(自身を除く): 51715005

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 95, 255, 285, 323, 425, 475, 969, 1275, 1425, 1615, 2531, 4845, 7593, 8075, 12655, 24225, 37965, 43027, 48089, 63275, 129081, 144267, 189825, 215135, 240445, 645405, 721335, 817513, 1075675, 1202225, 2452539, 3227025, 3606675, 4087565, 12262695, 20437825, 61313475]

約数ペア:

[(1, 61313475), (3, 20437825), (5, 12262695), (15, 4087565), (17, 3606675), (19, 3227025), (25, 2452539), (51, 1202225), (57, 1075675), (75, 817513), (85, 721335), (95, 645405), (255, 240445), (285, 215135), (323, 189825), (425, 144267), (475, 129081), (969, 63275), (1275, 48089), (1425, 43027), (1615, 37965), (2531, 24225), (4845, 12655), (7593, 8075)]