1719975

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 3214080

約数和(自身を除く): 1494105

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 71, 75, 85, 95, 213, 255, 285, 323, 355, 425, 475, 969, 1065, 1207, 1275, 1349, 1425, 1615, 1775, 3621, 4047, 4845, 5325, 6035, 6745, 8075, 18105, 20235, 22933, 24225, 30175, 33725, 68799, 90525, 101175, 114665, 343995, 573325, 1719975]

約数ペア:

[(1, 1719975), (3, 573325), (5, 343995), (15, 114665), (17, 101175), (19, 90525), (25, 68799), (51, 33725), (57, 30175), (71, 24225), (75, 22933), (85, 20235), (95, 18105), (213, 8075), (255, 6745), (285, 6035), (323, 5325), (355, 4845), (425, 4047), (475, 3621), (969, 1775), (1065, 1615), (1207, 1425), (1275, 1349)]