2175405

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 3888000

約数和(自身を除く): 1712595

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 449, 969, 1347, 1615, 2245, 4845, 6735, 7633, 8531, 22899, 25593, 38165, 42655, 114495, 127965, 145027, 435081, 725135, 2175405]

約数ペア:

[(1, 2175405), (3, 725135), (5, 435081), (15, 145027), (17, 127965), (19, 114495), (51, 42655), (57, 38165), (85, 25593), (95, 22899), (255, 8531), (285, 7633), (323, 6735), (449, 4845), (969, 2245), (1347, 1615)]