212325

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:181

約数の個数: 24

約数和(自身を含む): 372000

約数和(自身を除く): 159675

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 149, 285, 447, 475, 745, 1425, 2235, 2831, 3725, 8493, 11175, 14155, 42465, 70775, 212325]

約数ペア:

[(1, 212325), (3, 70775), (5, 42465), (15, 14155), (19, 11175), (25, 8493), (57, 3725), (75, 2831), (95, 2235), (149, 1425), (285, 745), (447, 475)]