169390225

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{137}}^2$

素因数の和:322

約数の個数: 27

約数和(自身を含む): 223310577

約数和(自身を除く): 53920352

約数列:

[1, 5, 19, 25, 95, 137, 361, 475, 685, 1805, 2603, 3425, 9025, 13015, 18769, 49457, 65075, 93845, 247285, 356611, 469225, 1236425, 1783055, 6775609, 8915275, 33878045, 169390225]

約数ペア:

[(1, 169390225), (5, 33878045), (19, 8915275), (25, 6775609), (95, 1783055), (137, 1236425), (361, 469225), (475, 356611), (685, 247285), (1805, 93845), (2603, 65075), (3425, 49457), (9025, 18769)]